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 Dworkin

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