Bill Murray - Dr. Peter Venkman
Dan Aykroyd - Dr. Raymond Stantz
Sigourney Weaver - Dana Barrett
Harold Ramis - Dr. Egon Spengler
Ernie Hudson - Winston Zeddemore
Peter MacNicol - Dr. Janosz Poha
David Margulies - The Mayor of NY
Janet Margolin - The Prosecutor
William T. Deutschendorf - Baby Oscar (as Will Deutschendorf)
Henry J. Deutschendorf II - Baby Oscar (as Hank Deutschendorf)
Michael P. Moran - Frank the Doorman
Mordecai Lawner - Man with a Ticket
Susan Boehm - Young Woman on Crutches
Mary Ellen Trainor - Brownstone Mother
Christopher Villaseñor - Brownstone Boy #1
Jason Reitman - Brownstone Boy #2
Aaron Lustig - Norman the Producer
Page Leong - Spengler's Assistant
Mark Schneider - Arguing Couple
Valery Pappas - Arguing Couple
Catherine Reitman - Girl with Puppy
Richard Foronjy - Con Ed Supervisor
George P. Wilbur - Bailiff (as George Wilbur)
Walter Flanagan - Rudy the Museum Guard
Bobby Brown - Mayor's Doorman (as Bobby Baresford Brown)
Judy Ovitz - Slimed Restaurant Patron
Angelo Dimascio - Restaurant Cop #2 (as Angelo Di Mascio)
Robert Alan Beuth - Store Manager
Ralph Monaco - Police Sergeant
Ron Cummins - Police Lieutenant
Cheech Marin - Dock Supervisor
Yvette Cruise - Maria, Dana's Maid
Brian Doyle-Murray - Psychiatrist (as Brian Doyle Murray)
Louise Troy - Woman with Fur Coat
Douglas Seale - Plaza Hotel Man
Ben Stein - Public Works Official
Erik Holland - Fire Commissioner
Philip Baker Hall - Police Commissioner
Steve Baker - Telephone Man (uncredited)
Cibby Danyla - Jason's Mom (uncredited)
Kevin Dunn - Milton Angland (uncredited)
Jim Fye - Scoleri Brother / Ghost Jogger (uncredited)
George Gerard - Man in Cab (uncredited)
Donna Guidry - Art Restoration Student (uncredited)
Tim Lawrence - Scoleri Brother (uncredited)
Peter Papageorgiou - Spectator (uncredited)
Kariim Ratcliff - Crowd Member (uncredited)
Ivan Reitman - Man Walking Outside Firehouse / Slimer (uncredited) (voice)
Ira S. Rosenstein - Stage Manager (uncredited)
Max von Sydow - Vigo (uncredited) (voice)
Chloe Webb - Elaine (uncredited)
Justin Michael Woods - Baby in street (uncredited)
Dan Aykroyd - (characters)
Harold Ramis - (characters)
Harold Ramis - (written by)
Dan Aykroyd - (written by)
Harry Walton - stop motion animator
Richard Adee - property master: New York
Steven Lee Baer - drapery foreman (as Steve Baer)
Greg John Callas - construction coordinator (as Greg Callas)
Francis N. 'Lucky' Costello - stand-by painter (as Frank 'Lucky' Costello)
R. Scott Doran - swing gang
Thom Enriquez - production illustrator
Giovanni Ferrara - construction painter
Daniel K. Grosso - lead man: New York (as Dan Grosso)
Ann Harmon - art department assistant (as Anne Harmon)
Rick Heinrichs - set designer
Richard Hoffenberg - construction foreman
Jack Johnson - production illustrator
Steven Ladish - props
Bill MacSems - property master
David Manhan - swing gang
Chuck McSorley - lead man
Tom Miller - assistant property master
Ed Mirassou - propmaker
Nick Navarro - set designer
Greg Papalia - set designer
William A. Petrotta - property master (as Bill Petrotta)
Justin Scoppa Jr. - set decorator: New York
Randy Severino - swing gang
Valerie Sofranko - scenic painter
Robert Van Dyke - propmaker foreman
Edmund Villa - assistant property master (as Eddie Villa)
John Warnke - assistant art director
Tom Warren - art director: New York
Martin J. Gibbons - propmaker gangboss (uncredited)
Marc Meisels - set dresser (uncredited)
Gary Montalbano - storyboard artist (uncredited)
Tom Volpe - construction grip (uncredited)
Cyd Adams - second second assistant director
Sue Fellows - DGA trainee: New York (as Susan Fellows)
Peter Giuliano - first assistant director
Alex Hapsas - first assistant director: New York second unit
Christine Larson-Nitzsche - second assistant director (as Christine Larson)
Michael D. Moore - second unit director (as Mickey Moore)
Michael Neumann - additional second assistant director: New York
Douglas S. Ornstein - additional second assistant director: New York (as Doug Ornstein)
Joseph Ray - second assistant director: New York second unit (as Joe Ray)
Drew Ann Rosenberg - second assistant director: New York (as Drew Rosenberg)
Ira S. Rosenstein - second second assistant director (as Ira Stanley Rosenstein)
Annette Sutera - dga trainee
Ken W. Ballantine - electrician (as Ken Ballantine)
Ira Brenner - camera operator: New York second unit
Sandy Brooke - first assistant camera: New York
Richard Crudo - Steadicam assistant
Angelo Di Giacomo - first assistant camera: New York second unit (as Angelo DiGiacomo)
James A. Dolan - best boy
Robert Edesa - camera operator
Raymond Fortune - gaffer
Michael Genne - camera operator (as Mike Genne)
Adam Glick - set lighting technician
Dylan Goss - camera loader (as Dylan Gross)
Larry Hezzelwood - first assistant camera
Petr Hlinomaz - electrician
Larry Huston - first assistant camera: New York second unit
Tony C. Jannelli - camera operator: New York second unit
Gene Kearney - key grip
Leslie J. Kovacs - chief lighting technician (as Les Kovacs)
Cindy Kurland - assistant camera
Bruce MacCallum - first assistant camera: New York (as Bruce McCallum)
Doug Mathias - gaffer (second unit)
Bruce McBroom - still photographer
Larry McConkey - steadicam operator: New York
Benny McNulty - best boy electric
Rexford L. Metz - director of photography: New York second unit
Bob Munoz - best boy grip (as Bob Muñoz)
Louis Niemeyer - first assistant camera
Peter Norman - camera operator: New York
Gregory Peters - electrician (as Greg Peters)
Brent Poe - electrician
Richard Quinlan - chief lighting technician: New York (as Dick Quinlan)
Ed Quinn - key grip: New York
E. Christopher Reed - electrician (as Chris Reed)
Tim Sasaki - second assistant camera
Eric Smith - electrician
Robert Sordal - dolly grip
Donald Sweeney - camera operator: New York
Clarence Tindell - company grip
Michael T. Travers - company grip (as Michael Travers)
Dave Turpin - company grip (as David 'Maddog' Turpin)
Greg Walters - second assistant camera
Sandy Williams - dolly grip
Harry Ford - grip (uncredited)
Chris Hammond - electrician (uncredited)
Chaim Kantor - second assistant camera: New York (uncredited)
Billy Kerwick - best boy grip (uncredited)
Gary Stark - set lighting technician (uncredited)
Dorothy O'Leary - casting assistant
Franklyn Warren - extras casting
Ticia Blackburn - assistant wardrobe: New York
Jennifer Butler - costumer (as Jennifer Butler-Fox)
Le Dawson - costumer
Lois DeArmond - assistant costume designer
Michael Forcade - wardrobe: New York
Oda Groeschel - costume supervisor: women
Adrienne Manhan - costumer
G. Tony Scarano - costume supervisor: men (as Tony Scarano)
Debra Weber - wardrobe: New York
Debra Bard - assistant film editor
Jeffrey James Bell - assistant film editor (as Jeff Bell)
Howard Davis - apprentice editor
Debra Kahn Tolchinsky - apprentice editor
Saul Saladow - assistant film editor
Jeff Stroot - international editor
George McDowell Agnew - location manager (as George McDowell)
Steve Rose - location manager: New York second unit
Steve Schottenfeld - location manager: New York
Ginger Sledge - assistant location manager: New York
Chris Stoia - location manager: New York
Nicholas Wolfert - location scout
Stephen Abrums - makeup artist
Mark Alfrey - special makeup effects artist
Gandhi Bob Arrollo - makeup artist (as Robert Arrollo)
Frank Bianco - hair stylist
John M. Elliott Jr. - key makeup artist / makeup artist (as John Elliott)
Peggy Semtob - hair stylist
Michael R. Thomas - makeup artist: New York (as Michael Thomas)
Marlene D. Williams - hair stylist (as Marlene Williams)
Peter Afterman - music supervisor
Tom Boyd - oboe soloist
Robert Fernandez - music scoring mixer
Greig McRitchie - orchestrator
Maria Newman - musician
James Thatcher - musician: french horn
Thomas Chase - orchestrator (uncredited)
Steve Rucker - orchestrator (uncredited)
Steven Scott Smalley - orchestrator (uncredited)
Bernie Brillstein - executive producer
Michael C. Gross - executive producer
Sheldon Kahn - associate producer
Joe Medjuck - executive producer
Ivan Reitman - producer
Gordon A. Webb - associate producer (as Gordon Webb)
Bo Welch -
Ken Golden - production supervisor: New York
Gordon A. Webb - unit production manager (as Gordon Webb)
Joanne Bloomfield - fabricator
Connie Brink - special effects
Nell Corkin - special effects crew
Joe Day - special effects
Scott Forbes - special effects technician
Chuck Gaspar - special effects
Richard L. Hill - special effects technician
Rick Lazzarini - creature effects: theatre & subway ghosts
Hans Metz - special effects technician
Paul Theren - special effects crew
Bill Traynor - special effects
Mike Wever - special effects technician
Tommy Williamson - animatronics (as Tom Williamson)
Dick Wood - special effects
Ron Cole - severed-head constructions maker (uncredited)
John Dods - severed-head constructions maker (uncredited)
Dan Frye - special effects (uncredited)
Adam Jones - special effects (uncredited)
Steve Paley - severed-head constructions maker (uncredited)
Jon Curtis Price - special effects crew (uncredited)
Tom Bradley - special thanks: The National Park Service, Liberty Island, N.Y. (as Deputy Superintendant Tom Bradley)
Kevin Buckley - special thanks: The National Park Service, Liberty Island, N.Y. (as Superintendant Kevin Buckley)
John Gasperin - special thanks: The New York City Police Movie Unit (as Lieutenant John Gasperin)
Pat Scott - special thanks: The New York City Mayor's Office of Film, Theatre & Broadcasting
Tom Trott - special thanks: The U.S. General Services Administration
Dick Johnson - transportation captain
Hugh Kelly - driver
Alan Lance Myers - transportation (as Alan Myers)
Tom O'Donnell Jr. - transportation coordinator: New York
Craig Pinkard - transportation coordinator
Barbara Affonso - chief model maker: ILM
Peter Albrecht - rotoscoper: ILM
Jon Alexander - optical camera operator: ILM
David Allen - character performer: ILM
Gordon Baker - animator: ILM
Beverly Bernacki - optical effects: VCE
Les Bernstien - visual effects cameraman
Tom Bertino - animation supervisor: ILM
Andrea Biklian - optical coordinator: ILM
Cosmas Paul Bolger Jr. - optical: Apogee
Anne Boyd Lewis - assistant effects editor: ILM
Anne Calanchini - visual effects coordinator: ILM
Jo Carson - matte photographer: ILM
Wade Childress - matte photography supervisor: ILM
Terry Chostner - visual effects camera operator: ILM
Michael Cooper - optical line-up: ILM
Robert Cooper - sculptor: ILM (as Bob Cooper)
Allen Coulter - lead mechanical animator: ILM (as Al Coulter)
Peter Daulton - visual effects camera operator: ILM
Jeff Doran - optical camera operator: ILM
Dennis Dorney - optical: Apogee
David Drzewiecki - camera assistant: Apogee
Pamela Easley - visual effects coordinator
Glen Eytchison - painting supervisor: Vigo, ILM
Bob Finley III - supervising stage technician: ILM (as Robert Finley III)
Robert Finley Jr. - head pyro technician: ILM
Thomas Floutz - bathtub trainer: ILM (as Tom Floutz)
Warren Franklin - VP General Manager ILM
Jammie Friday - animator: VCE
John Gazdik - visual effects camera assistant: ILM
Bill George - model shop supervisor: ILM
Brian Gernand - model maker: ILM
Ray Gilberti - visual effects camera assistant: ILM
Spencer Gill - optical effects: VCE
Tim Gillet - mechanical animator: ILM (as Tim Gillett)
Michael Gleason - visual effects editor: ILM
Chris Goehe - lead molds & plastics: ILM
John Goodson - model maker: ILM
Ned Gorman - chief visual effects coordinator: ILM
Caroleen Green - matte artist: ILM
Joanne Hafner - rotoscoper: ILM
David Hanks - visual effects camera assistant: ILM
Janet Healy - visual effects producer
Camilla Henneman - lead specialty costumer: ILM
David Heron - supervising stage technician: ILM
Edward Hirsh - stage manager: ILM (as Edward T. Hirsh)
Erik Jensen - lead foam technician: ILM
Harley Jessup - visual effects art director: ILM
Keith Johnson - optical camera operator: ILM
Randy Jonsson - visual effects camera assistant: ILM (as Randy Johnson)
David Karpman - optical line-up: ILM
Jennifer Knoll - visual effects coordinator: ILM
Brad Kuehn - optical line-up: ILM
Peter Kuran - visual effects producer: VCE
Kevin Kutchaver - animator: ILM
Tim Lawrence - creature & makeup designer: ILM
Michael Lessa - animator: ILM (as Mike Lessa)
Nick G. Linardos - optical: Apogee (as Nick Linardos)
Pete Livingston - creature shop coodinator: ILM
Ross Lorente - supervising stage technician: ILM
Caren Marinoff-Montante - visual effects coordinator: ILM (as Caren Montante)
Kim Marks - key visual effects camera operator: ILM
Jo Martin - visual effects editorial
Jack Maye - river rat: ILM
Hank Mayo - concept artist: ILM
Patrick McArdle - key visual effects camera assistant: ILM
Grant McCune - model shop: Apogee
Michael McGovern - assistant effects editor: ILM
Roberto McGrath - negative cutter: ILM
Ralph Miller III - river rat: ILM
Mark S. Miller - stage shooting coordinator: ILM
Janet Mohler - visual effects producer: ILM
Steve R. Moore - visual effects editor: ILM
Tim Morgan - supervising stage technician: ILM (as Timothy Morgan)
Ellen Mueller - rotoscoper: ILM
George Muhs - visual effects
Dennis Muren - visual effects supervisor
Patrick T. Myers - animation camera operator: ILM
Buzz Neigid - lead finish & paint: ILM
Lori J. Nelson - optical line-up: ILM (as Lori Nelson)
Sam Nicholson - visual effects supervisor: Apogee
Kendall Nishimine - visual effects
Michael Olague - supervising stage technician: ILM
Jeff Olson - chief model maker: ILM
David Owen - still photographer: ILM
Tom Park - model shop: Apogee
Sarah Pasanen - optical effects: VCE
Alan Peterson - mechanical animator: ILM
Eric Peterson - camera assistant: Apogee
Lorne Peterson - chief model maker: ILM
Jerry Pooler - optical: Apogee
John Reed - molds & plastics: ILM
Carolyn Ensle Rendu - rotoscoper: ILM (as Carolyn Rendu)
Louis Rivera - negative cutter: ILM
Martin Rosenberg - visual effects camera operator: ILM (as Marty Rosenberg)
Thomas Rosseter - optical photography supervisor: ILM (as Thomas J. Rosseter)
Amanda Roth - production assistant: ILM
Robin Shelby - character performer: ILM (as Robin Navlyt)
William Shourt - model shop: Apogee (as Bill Shourt)
Mark Siegel - sculptor: ILM
Kenneth Smith - optical camera operator: ILM
Kim Smith - model maker; miniature unit: credited
Mike Smithson - lead sculptor & prosthetics: ILM
Loren Soman - mechanical animator: ILM
Tony Sommers - model maker: ILM
Mark Sullivan - matte painting supervisor: ILM
Kathleen Swain - concept artist: ILM (as Kathy Swain)
John Swallow - production supervisor: Apogee
Pat Sweeney - visual effects camera operator: ILM (as Patrick Sweeney)
Larry Tan - model maker: ILM
Joseph Thomas - animation cameraman: Available Light Ltd.
Sean Turner - animator: ILM
Yusei Uesugi - matte artist: ILM (as Yusei Vesugi)
Wim Van Thillo - bathtub wrangler: ILM
Mark Vargo - director of effects photography: ILM
Bruce Vecchitto - optical line-up: ILM
Danny Wagner - molds & plastics: ILM
Bruce Walters - animation camera supervisor: ILM
Harry Walton - optical effects / stop motion animator
Harold Weed - character performer: ILM (as Howie Weed)
Debra Wolff - visual effects editor: ILM
Joseph Yanuzzi - visual effects editor: Apogee
Jacqueline Zietlow - visual effects coordinator: VCE
Don Bies - creature effects (uncredited)
Greg Dykstra - mold maker (uncredited)
John V. Fante - visual effects camera operator: ILM (uncredited)
Paul Huston - matte artist (uncredited)
Benton Jew - concept artist: ILM (uncredited)
Pete Kozachik - stop-motion camera (uncredited)
Richard Lund - translite photographer (uncredited)
Michael Douglas Middleton - visual effects animation still photographer (uncredited)
Scott Ross - general manager: ILM (uncredited)
Michael Wick - set dresser: miniatures, ILM (uncredited)