Robert Redford

John Dortmunder

George Segal

Andrew Kelp

Ron Leibman

Stanley Murch

Paul Sand

Alan Greenburg

Moses Gunn

Dr. Amusa

William Redfield

Lt. Hoover

Topo Swope

"Sis" Clara Kelp

Charlotte Rae

Ma Murch

Graham Jarvis

Frank, the Prison Warden

Christopher Guest

Policeman

Zero Mostel

Abe Greenberg

Harry Bellaver

Rollo the Bartender

Seth Allen

Happy Hippie

Robert Levine

Cop At Police Station

Ed Bernard

Policeman

Lee Wallace

Dr. Strauss

Robert Weil

Albert

Lynne Gordon

Miasmo

Grania O'Malley

Bird Lady

Fred Cook

Otto

Mark Dawson

Big Museum Guard

Gilbert Lewis

Museum Guard #1

George Bartenieff

Museum Guard #2

Charles White

Policeman

Albert Henderson

Prison Property Clerk (uncredited)

Burt Richards

Police Officer (uncredited)

Arnold Williams

Prisoner (uncredited)

Alixe Gordin

Casting

John Robert Lloyd

Production Design

Robert Drumheller

Set Decoration

William Goldman

Screenplay

Peter Yates

Director

Donald E. Westlake

Novel

Theodore Soderberg

Sound

David Golden

Production Supervisor

Ted Zachary

Assistant Director

Ira Anderson Jr.

Special Effects

Saul Wurtzel

Unit Production Manager

James Sabat

Sound

Nicholas Sgarro

Second Unit Director

Irving Buchman

Makeup Artist

Carey Loftin

Stunt Coordinator

Quincy Jones

Original Music Composer

Bobby Roberts

Producer

Hal Landers

Producer

Edward R. Brown

Director of Photography

Fred W. Berger

Editor

Frank P. Keller

Editor

Ruth Morley

Costume Design

Alice H. Bell

Second Assistant Director

John Nicolella

Second Assistant Director

Allan Wertheim

Second Assistant Director

Morris Weinman

Set Dresser

Don Winclair

Sound Recordist

Tony Parmelee

Special Effects

Richard Falk

Gaffer

Peter Garbarini

Camera Operator

Ron Zarilla

Second Assistant Camera