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