Bill Murray

Peter Venkman

Dan Aykroyd

Ray Stantz

Sigourney Weaver

Dana Barrett

Harold Ramis

Dr. Egon Spengler

Rick Moranis

Louis Tully

Ernie Hudson

Winston Zeddemore

Annie Potts

Janine Melnitz

Peter MacNicol

Dr. Janosz Poha

Harris Yulin

Judge Wexler

David Margulies

Mayor Lenny

Kurt Fuller

Jack Hardemeyer

Janet Margolin

The Prosecutor

Norbert Grupe

Vigo

William T. Deutschendorf

Baby Oscar

Henry J. Deutschendorf II

Baby Oscar

Michael P. Moran

Frank the Doorman

Olivia Ward

Meter Maid

Mordecai Lawner

Man with a Ticket

Susanna Boehm

Young Woman on Crutches

Mary Ellen Trainor

Brownstone Mother

Christopher Villaseñor

Brownstone Boy #1

Jason Reitman

Brownstone Boy #2

Aaron Lustig

Norman the Producer

Page Leong

Spengler's Assistant

Mark Schneider

Arguing Couple

Valery Pappas

Arguing Couple

Catherine Reitman

Girl with Puppy

Dave Florek

First Cop

Richard Foronjy

Con Ed Supervisor

George P. Wilbur

Bailiff

Sharon Kramer

Stenographer

Walter Flanagan

Rudy the Museum Guard

Bobby Brown

Mayor's Doorman

Christopher Neame

Maitre D'

Judy Ovitz

Slimed Restaurant Patron

Tom Dugan

Restaurant Cop #1

Angelo Dimascio

Restaurant Cop #2

Robert Alan Beuth

Store Manager

Ralph Monaco

Police Sergeant

Ron Cummins

Police Lieutenant

Cheech Marin

Dock Supervisor

Yvette Cruise

Maria, Dana's Maid

John Hammil

Detective #1

Ray Glanzmann

Detective #2

Alex Zimmerman

Detective #3

Brian Doyle-Murray

Psychiatrist

Louise Troy

Woman with Fur Coat

Douglas Seale

Plaza Hotel Man

Ben Stein

Public Works Official

Erik Holland

Fire Commissioner

Philip Baker Hall

Police Commissioner

Steve Baker

Telephone Man (uncredited)

Trish Cook

Nun at Statue of Liberty (uncredited)

Kevin Dunn

Milton Angland (uncredited)

Ryan Francis

Brownstone Boy #3 (uncredited)

Tyra Reneé Fuller

Driver (uncredited)

Jim Fyfe

Scoleri Brother / Ghost Jogger (uncredited)

George Gerard

Man in Cab (uncredited)

Donna Guidry

Art Restoration Student (uncredited)

Tim Lawrence

Scoleri Brother (uncredited)

Peter Papageorgio

Spectator (uncredited)

Kariim Ratcliff

Crowd Member (uncredited)

Ivan Reitman

Man Walking Outside Firehouse / Slimer (voice) (uncredited)

Ira S. Rosenstein

Stage Manager (uncredited)

Felix Silla

Courtroom Spectator (uncredited)

Max von Sydow

Vigo (voice) (uncredited)

Chloe Webb

Elaine (uncredited)

Justin Michael Woods

Baby on the Street (uncredited)