Peter Venkman

Bill Murray

Acting

Ray Stantz

Dan Aykroyd

Acting

Dana Barrett

Sigourney Weaver

Acting

Egon Spengler

Harold Ramis

Directing

Louis Tully

Rick Moranis

Acting

Janine Melnitz

Annie Potts

Acting

Walter Peck

William Atherton

Acting

Winston Zeddemore

Ernie Hudson

Acting

Gozer

Slavitza Jovan

Acting

Mayor

David Margulies

Acting

Male Student

Steven Tash

Acting

Female Student

Jennifer Runyon

Acting

Hotel Manager

Michael Ensign

Acting

Librarian

Alice Drummond

Acting

Dean Yager

Jordan Charney

Acting

Violinist

Timothy Carhart

Acting

Library Administrator

John Rothman

Acting

Archbishop

Tom McDermott

Acting

Roger Grimsby

Roger Grimsby

Acting

Larry King

Larry King

Acting

Joe Franklin

Joe Franklin

Acting

Casey Kasem (voice)

Casey Kasem

Acting

Fire Commissioner

John Ring

Acting

Police Commissioner

Norman Matlock

Acting

Police Captain

Joe Cirillo

Acting

Police Seargeant

Joe Schmieg

Acting

Jail Guard

Reginald VelJohnson

Acting

Real Estate Woman

Rhoda Gemignani

Acting

Man at Elevator

Murray Rubin

Acting

Con Edison Man

Larry Dilg

Acting

Coachman

Danny Stone

Acting

Woman at Party

Patty Freedman

Acting

Tall Woman at Party

Jean Kasem

Acting

Doorman

Lenny Del Genio

Acting

Chambermaid

Frances E. Nealy

Acting

Hot Dog Vendor

Sam Moses

Acting

TV Reporter

Christopher Wynkoop

Acting

Businessman in Cab

Winston May

Acting

Mayor's Aide

Tommy Hollis

Acting

Louis's Neighbor

Eda Reiss Merin

Acting

Policeman at Apartment

Ric Mancini

Acting

Mrs. Van Hoffman

Kathryn Janssen

Acting

Reporter

Stanley Grover

Acting

Reporter

Carol Ann Henry

Acting

Reporter

James Hardie

Acting

Reporter

Frantz Turner

Acting

Reporter

Nancy Kelly

Acting

Ted Fleming

Paul Trafas

Acting

Annette Fleming

Cheryl Birchenfield

Acting

Library Ghost

Ruth Oliver

Acting

Dream Ghost

Kymberly Herrin

Acting

Stay Puft Marshmallow Man (uncredited)

Billy Bryan

Acting

T-Shirt Vendor (uncredited)

Frankie Como

Acting

Man Fleeing Marshmallow Man (uncredited)

Peter Costanza

Acting

Patrolman Matthews (uncredited)

John De Bello

Acting

Gozer (voice) (uncredited)

Paddi Edwards

Acting

Redheaded Man (uncredited)

Eldo Ray Estes

Costume & Make-Up

Hare Krishna acolyte (uncredited)

Brute Force

Acting

Birthday Girl in Tavern on the Green (uncredited)

Debbie Gibson

Acting

Student at Columbia University (uncredited)

Willow Hale

Acting

Library Patron (uncredited)

Jon Hayden

Acting

Man Behind Barricade (uncredited)

Ron Jeremy

Acting

Man in Taxi (uncredited)

Joseph Marzano

Acting

Man at Library (uncredited)

Joe Medjuck

Production

Reporter (uncredited)

Danny Nero

Acting

City Hall Cop (uncredited)

Frank Patton III

Acting

Terror Dog (uncredited)

Harrison Ray

Acting

Zuul / Slimer (voice) (uncredited)

Ivan Reitman

Production

Prisoner (uncredited)

Frank Rivers

Acting

Prisoner (uncredited)

Mario Todisco

Acting

Bill Walton (uncredited)

Bill Walton

Acting

Slimer (uncredited)

Mark Bryan Wilson

Acting

Hotel Guest (uncredited)

George Sasaki

Acting