Bill Murray
Dr. Peter Venkman
Dan Aykroyd
Dr. Raymond Stantz
Sigourney Weaver
Dana Barrett
Harold Ramis
Dr. Egon Spengler
Annie Potts
Janine Melnitz
William Atherton
Walter Peck
Ernie Hudson
Winston Zeddmore
Jennifer Runyon
Female Student
Michael Ensign
Hotel Manager
Jordan Charney
Dean Yeager
John Rothman
Library Administrator
Roger Grimsby
Roger Grimsby
John Ring
Fire Commissioner
Norman Matlock
Police Commissioner
Joe Cirillo
Police Captain
Joe Schmieg
Police Seargeant
Reginald VelJohnson
Jail Guard
Rhoda Gemignani
Real Estate Woman
Murray Rubin
Man at Elevator
Patty Freedman
Woman at Party
Jean Kasem
Tall Woman at Party
Frances E. Nealy
Chambermaid
Christopher Wynkoop
TV Reporter
Winston May
Businessman in Cab
Eda Reiss Merin
Louis's Neighbor
Ric Mancini
Policeman at Apartment
Kathryn Janssen
Mrs. Van Hoffman
Cheryl Birchenfield
Annette Fleming
Kymberly Herrin
Dream Ghost
Shirley Anthony
Hotel Guest
Murray Bandel
Extra - NY Public Library
Billy Bryan
Stay Puft Marshmallow Man
Matteo Cafiso
Boy at Hot Dog Stand
Kadrolsha Ona Carole
Library Patron
Frankie Como
T-Shirt Vendor
Peter Costanza
Man Fleeing Marshmallow Man
James Hotfeet Davis
Soldier
John De Bello
Patrolman Matthews
Eldo Ray Estes
Redheaded Man
Brute Force
Hare Krishna acolyte
Debbie Gibson
Birthday Girl in Tavern on the Green
Betty Jeanne Glennie
Hotel Guest
Gary F. Griffith
Hotel Guest
Willow Hale
Student at Columbia University
Robert Hitchcock
Hotel Guest
Ron Jeremy
Man Behind Barricade
Marlene Kisker
Hotel Guest
Ethelreda Leopold
Party Guest
Joseph Marzano
Man in Taxi
Joe Medjuck
Man at Library
Frank Patton III
City Hall Cop
Ivan Reitman
Zuul / Slimer