Jacques Bergerac

Desmond

Merry Anders

Dodie Wilson

Marcia Henderson

Marcia Blaine

Allison Hayes

Justine

Joe Patridge

Det. Sgt. Dave Kennedy

Fred Demara

The Great Impostor

Lawrence Lipton

Beatnik Poet Laureate

Eric Nord

King of the Beatniks (as Eric 'Big Daddy' Nord)

Guy Prescott

Dr. Philip Hecht

Jimmy Lydon

Emergency Doctor (as James Lydon)

Carol Thurston

Doris Scott

Eva Lynd

Woman from Audience

Don Ames

Audience Member (uncredited)

Eddie Baker

Observer at Scene (uncredited)

Nina Borget

Audience Member (uncredited)

Phyllis Cole

Mrs. McNear (uncredited)

Franklyn Farnum

Audience Member (uncredited)

Mary Foran

June Mayes (uncredited)

George Ford

Audience Member (uncredited)

Holly Harris

Mrs. Stevens (uncredited)

Kenner G. Kemp

Audience Member (uncredited)

Evan MacNeil

Victim (uncredited)

Monty O'Grady

Audience Member (uncredited)

Al Roberts

Audience Member (uncredited)

Cosmo Sardo

Theatre Greeter (uncredited)

Gitta Woodfield

Screenplay

George Blair

Director

William Read Woodfield

Screenplay

Edward Morey Jr.

Production Manager

Martin Greco

Sound Editor

Archie R. Dalzell

Cinematography

Ray Gosnell Jr.

Assistant Director

James West

Construction Manager

Tony Lloyd

Makeup Artist

Ralph Butler

Recording Supervision

Roger J. Weinberg

Wardrobe Master

Eve Newman

Music Editor

Gil Boyne

Technical Advisor

Virginia Barth

Continuity

Arden Cripe

Property Master

Marlin Skiles

Original Music Composer

Charles B. Bloch

Producer

Ben Schwalb

Executive Producer

Dave Milton

Art Direction

Frank Wade

Set Decoration

William Austin

Editor

Milton Olsen

Special Effects

Emile LaVigne

Makeup Artist

Bloch/Woodfield Productions

Penguin Productions

Allied Artists Pictures

US