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