Bill Murray

Peter Venkman

Dan Aykroyd

Ray Stantz

Sigourney Weaver

Dana Barrett

Harold Ramis

Egon Spengler

Rick Moranis

Louis Tully

Annie Potts

Janine Melnitz

William Atherton

Walter Peck

Ernie Hudson

Winston Zeddemore

Slavitza Jovan

Gozer

David Margulies

Mayor

Steven Tash

Male Student

Jennifer Runyon

Female Student

Michael Ensign

Hotel Manager

Alice Drummond

Librarian

Jordan Charney

Dean Yager

Timothy Carhart

Violinist

John Rothman

Library Administrator

Tom McDermott

Archbishop

Roger Grimsby

Roger Grimsby

Larry King

Larry King

Joe Franklin

Joe Franklin

Casey Kasem

Casey Kasem (voice)

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

Larry Dilg

Con Edison Man

Danny Stone

Coachman

Patty Freedman

Woman at Party

Jean Kasem

Tall Woman at Party

Lenny Del Genio

Doorman

Frances E. Nealy

Chambermaid

Sam Moses

Hot Dog Vendor

Christopher Wynkoop

TV Reporter

Winston May

Businessman in Cab

Tommy Hollis

Mayor's Aide

Eda Reiss Merin

Louis's Neighbor

Ric Mancini

Policeman at Apartment

Kathryn Janssen

Mrs. Van Hoffman

Stanley Grover

Reporter

Carol Ann Henry

Reporter

James Hardie

Reporter

Frantz Turner

Reporter

Nancy Kelly

Reporter

Paul Trafas

Ted Fleming

Cheryl Birchenfield

Annette Fleming

Ruth Oliver

Library Ghost

Kymberly Herrin

Dream Ghost

Billy Bryan

Stay Puft Marshmallow Man (uncredited)

Matteo Cafiso

Boy at Hot Dog Stand (uncredited)

Frankie Como

T-Shirt Vendor (uncredited)

Peter Costanza

Man Fleeing Marshmallow Man (uncredited)

John De Bello

Patrolman Matthews (uncredited)

Paddi Edwards

Gozer (voice) (uncredited)

Eldo Ray Estes

Redheaded Man (uncredited)

Brute Force

Hare Krishna acolyte (uncredited)

Debbie Gibson

Birthday Girl in Tavern on the Green (uncredited)

Willow Hale

Student at Columbia University (uncredited)

Jon Hayden

Library Patron (uncredited)

Ron Jeremy

Man Behind Barricade (uncredited)

Joseph Marzano

Man in Taxi (uncredited)

Joe Medjuck

Man at Library (uncredited)

Danny Nero

Reporter (uncredited)

Frank Patton III

City Hall Cop (uncredited)

Harrison Ray

Terror Dog (uncredited)

Ivan Reitman

Zuul / Slimer (voice) (uncredited)

Frank Rivers

Prisoner (uncredited)

Mario Todisco

Prisoner (uncredited)

Bill Walton

Bill Walton (uncredited)

Mark Bryan Wilson

Slimer (uncredited)

Ivan Reitman

Director

Dan Aykroyd

Screenplay

Harold Ramis

Screenplay

Ivan Reitman

Producer

Bernie Brillstein

Executive Producer

Elmer Bernstein

Original Music Composer

László Kovács

Director of Photography

David E. Blewitt

Editor

Sheldon Kahn

Editor

Karen Rea

Casting

Marvin March

Set Decoration

Theoni V. Aldredge

Costume Design

Suzy Benzinger

Costume Design

Leonard Engelman

Makeup Artist

John G. Wilson

Production Manager

John DeCuir Jr.

Art Direction

Richard Edlund

Visual Effects

Richmond L. Aguilar

Gaffer

Jim Aupperle

Visual Effects Camera

John DeCuir

Production Design

George Eckert

Set Designer

Rick Alexander

Sound Re-Recording Mixer

Richard Beggs

Sound Designer

Jim Bullock

Sound Editor

John M. Colwell

Sound Editor

Les Fresholtz

Sound Re-Recording Mixer

Joseph Holsen

Sound Editor

William L. Manger

Sound Editor

Tom McCarthy Jr.

Sound Designer

Vern Poore

Sound Re-Recording Mixer

Michael P. Redbourn

Sound Editor

Don S. Walden

Sound Editor

Bruce Ericksen

Costume Supervisor

Kate Guinzburg

Production Coordinator

Larry Holt

Stunts

Joe Medjuck

Associate Producer

Michael C. Gross

Associate Producer

Gary Daigler

First Assistant Director

Katterli Frauenfelder

Second Assistant Director

Robert M. Stevens

Camera Operator

Joseph E. Thibo

First Assistant Camera

Paul Mindrup

Second Assistant Camera

Trish Kinney

Script Supervisor

Chuck Gaspar

Special Effects Supervisor

Joe Day

Special Effects Coordinator

Jack E. Ackerman

Property Master

Dayton Anderson

Costumer

Peggy Thorin

Costumer

Dione Taylor

Hairstylist

Colin J. Campbell

Gaffer

Gene Kearney

Key Grip

Rita Grant Miller

Production Coordinator

Gemma La Mana

Still Photographer

Gene S. Cantamessa

Production Sound Mixer

John Bruno

Visual Effects Art Director

Tom Morga

Stunt Double

Ray Parker, Jr.

Theme Song Performance

Billy Bryan

Special Effects Technician