Bill Murray
Dr. Peter Venkman
Dan Aykroyd
Dr. Raymond Stantz
Sigourney Weaver
Dana Barrett
Harold Ramis
Dr. Egon Spengler
Rick Moranis
Louis Tully
Annie Potts
Janine Melnitz
William Atherton
Walter Peck
Ernie Hudson
Winston Zeddemore
David Margulies
Mayor
Steven Tash
Male Student
Jennifer Runyon
Female Student
Slavitza Jovan
Gozer
Michael Ensign
Hotel Manager
Alice Drummond
Librarian
Jordan Charney
Dean Yager
Timothy Carhart
Violinist
John Rothman
Library Administrator
Tom McDermott
Archbishop
Roger Grimsby
Roger Grimsby
Larry King
Larry King
Joe Franklin
Joe Franklin
Casey Kasem
Casey Kasem (voice)
![John Ring]()
John Ring
Fire Commissioner
Norman Matlock
Police Commissioner
![Joe Cirillo]()
Joe Cirillo
Police Captain
![Joe Schmieg]()
Joe Schmieg
Police Seargeant
Reginald VelJohnson
Jail Guard
Rhoda Gemignani
Real Estate Woman
Murray Rubin
Man at Elevator
![Larry Dilg]()
Larry Dilg
Con Edison Man
![Danny Stone]()
Danny Stone
Coachman
![Patty Freedman]()
Patty Freedman
Woman at Party
Jean Kasem
Tall Woman at Party
![Lenny Del Genio]()
Lenny Del Genio
Doorman
![Frances E. Nealy]()
Frances E. Nealy
Chambermaid
Sam Moses
Hot Dog Vendor
Christopher Wynkoop
TV Reporter
![Winston May]()
Winston May
Businessman in Cab
Tommy Hollis
Mayor's Aide
Eda Reiss Merin
Louis's Neighbor
![Ric Mancini]()
Ric Mancini
Policeman at Apartment
![Kathryn Janssen]()
Kathryn Janssen
Mrs. Van Hoffman
Stanley Grover
Reporter
![Carol Ann Henry]()
Carol Ann Henry
Reporter
![James Hardie]()
James Hardie
Reporter
Frantz Turner
Reporter
![Nancy Kelly]()
Nancy Kelly
Reporter
![Paul Trafas]()
Paul Trafas
Ted Fleming
![Cheryl Birchenfield]()
Cheryl Birchenfield
Annette Fleming
![Ruth Oliver]()
Ruth Oliver
Library Ghost
Kymberly Herrin
Dream Ghost
![Billy Bryan]()
Billy Bryan
Stay Puft Marshmallow Man (uncredited)
![Frankie Como]()
Frankie Como
T-Shirt Vendor (uncredited)
![Peter Costanza]()
Peter Costanza
Man Fleeing Marshmallow Man (uncredited)
John De Bello
Patrolman Matthews (uncredited)
Paddi Edwards
Gozer (voice) (uncredited)
![Eldo Ray Estes]()
Eldo Ray Estes
Redheaded Man (uncredited)
![Brute Force]()
Brute Force
Hare Krishna acolyte (uncredited)
Debbie Gibson
Birthday Girl in Tavern on the Green (uncredited)
Willow Hale
Student at Columbia University (uncredited)
Jon Hayden
Library Patron (uncredited)
Ron Jeremy
Man Behind Barricade (uncredited)
![Joseph Marzano]()
Joseph Marzano
Man in Taxi (uncredited)
Joe Medjuck
Man at Library (uncredited)
![Danny Nero]()
Danny Nero
Reporter (uncredited)
Frank Patton III
City Hall Cop (uncredited)
![Harrison Ray]()
Harrison Ray
Terror Dog (uncredited)
Ivan Reitman
Zuul / Slimer (voice) (uncredited)
Frank Rivers
Prisoner (uncredited)
![Mario Todisco]()
Mario Todisco
Prisoner (uncredited)
Bill Walton
Bill Walton (uncredited)
![Mark Bryan Wilson]()
Mark Bryan Wilson
Slimer (uncredited)
![George Sasaki]()
George Sasaki
Hotel Guest (uncredited)
