Peter Venkman
Bill Murray
Ray Stantz
Dan Aykroyd
Male Student
Steven Tash
Female Student
Jennifer Runyon
Hotel Manager
Michael Ensign
Librarian
Alice Drummond
Dean Yager
Jordan Charney
Violinist
Timothy Carhart
Library Administrator
John Rothman
Archbishop
Tom McDermott
Roger Grimsby
Larry King
Dana Barrett
Sigourney Weaver
Joe Franklin
Casey Kasem (voice)
Casey Kasem
Fire Commissioner
John Ring
Police Commissioner
Norman Matlock
Police Captain
Joe Cirillo
Police Seargeant
Joe Schmieg
Jail Guard
Reginald VelJohnson
Real Estate Woman
Rhoda Gemignani
Man at Elevator
Murray Rubin
Con Edison Man
Larry Dilg
Egon Spengler
Harold Ramis
Coachman
Danny Stone
Woman at Party
Patty Freedman
Tall Woman at Party
Jean Kasem
Doorman
Lenny Del Genio
Chambermaid
Frances E. Nealy
Hot Dog Vendor
Sam Moses
TV Reporter
Christopher Wynkoop
Businessman in Cab
Winston May
Mayor's Aide
Tommy Hollis
Louis's Neighbor
Eda Reiss Merin
Louis Tully
Rick Moranis
Policeman at Apartment
Ric Mancini
Mrs. Van Hoffman
Kathryn Janssen
Reporter
Stanley Grover
Carol Ann Henry
James Hardie
Frantz Turner
Nancy Kelly
Ted Fleming
Paul Trafas
Annette Fleming
Cheryl Birchenfield
Library Ghost
Ruth Oliver
Janine Melnitz
Annie Potts
Dream Ghost
Kymberly Herrin
Stay Puft Marshmallow Man (uncredited)
Billy Bryan
Boy at Hot Dog Stand (uncredited)
Matteo Cafiso
T-Shirt Vendor (uncredited)
Frankie Como
Man Fleeing Marshmallow Man (uncredited)
Peter Costanza
Patrolman Matthews (uncredited)
John De Bello
Gozer (voice) (uncredited)
Paddi Edwards
Redheaded Man (uncredited)
Eldo Ray Estes
Hare Krishna acolyte (uncredited)
Brute Force
Birthday Girl in Tavern on the Green (uncredited)
Debbie Gibson
Walter Peck
William Atherton
Student at Columbia University (uncredited)
Willow Hale
Library Patron (uncredited)
Jon Hayden
Man Behind Barricade (uncredited)
Ron Jeremy
Man in Taxi (uncredited)
Joseph Marzano
Man at Library (uncredited)
Joe Medjuck
Reporter (uncredited)
Danny Nero
City Hall Cop (uncredited)
Frank Patton III
Terror Dog (uncredited)
Harrison Ray
Zuul / Slimer (voice) (uncredited)
Ivan Reitman
Prisoner (uncredited)
Frank Rivers
Winston Zeddemore
Ernie Hudson
Mario Todisco
Bill Walton (uncredited)
Bill Walton
Slimer (uncredited)
Mark Bryan Wilson
Gozer
Slavitza Jovan
Mayor
David Margulies
Director
Producer
Visual Effects Art Director
John Bruno
Executive Producer
Bernie Brillstein
Screenplay
Associate Producer
Director of Photography
László Kovács
Theme Song Performance
Ray Parker, Jr.
Visual Effects
Richard Edlund
Second Assistant Director
Katterli Frauenfelder
Production Coordinator
Kate Guinzburg
Original Music Composer
Elmer Bernstein
Editor
David E. Blewitt
Costume Design
Theoni V. Aldredge
Suzy Benzinger
Makeup Artist
Leonard Engelman
Production Manager
John G. Wilson
Set Decoration
Marvin March
Casting
Karen Rea
Art Direction
John DeCuir Jr.
Gaffer
Richmond L. Aguilar
Sheldon Kahn
Visual Effects Camera
Jim Aupperle
Production Design
John DeCuir
Sound Re-Recording Mixer
Rick Alexander
Sound Designer
Tom McCarthy Jr.
Sound Editor
Don S. Walden
Costume Supervisor
Bruce Ericksen
Jim Bullock
Michael P. Redbourn
Les Fresholtz
Set Designer
George Eckert
John M. Colwell
William L. Manger
Vern Poore
Joseph Holsen
Richard Beggs
Stunts
Larry Holt
First Assistant Camera
Joseph E. Thibo
Michael C. Gross
Script Supervisor
Trish Kinney
First Assistant Director
Gary Daigler
Camera Operator
Robert M. Stevens
Second Assistant Camera
Paul Mindrup
Special Effects Coordinator
Joe Day
Special Effects Supervisor
Chuck Gaspar
Rita Grant Miller
Colin J. Campbell
Still Photographer
Gemma La Mana
Property Master
Jack E. Ackerman
Costumer
Peggy Thorin
Key Grip
Gene Kearney
Production Sound Mixer
Gene S. Cantamessa
Dayton Anderson
Hairstylist
Dione Taylor
Stunt Double
Tom Morga