Desmond
Jacques Bergerac
Dodie Wilson
Merry Anders
Doris Scott
Carol Thurston
Woman from Audience
Eva Lynd
Audience Member (uncredited)
Don Ames
Observer at Scene (uncredited)
Eddie Baker
Nina Borget
Mrs. McNear (uncredited)
Phyllis Cole
Franklyn Farnum
June Mayes (uncredited)
Mary Foran
George Ford
Mrs. Stevens (uncredited)
Holly Harris
Marcia Blaine
Marcia Henderson
Kenner G. Kemp
Victim (uncredited)
Evan MacNeil
Monty O'Grady
Al Roberts
Theatre Greeter (uncredited)
Cosmo Sardo
Justine
Allison Hayes
Det. Sgt. Dave Kennedy
Joe Patridge
The Great Impostor
Fred Demara
Beatnik Poet Laureate
Lawrence Lipton
King of the Beatniks (as Eric 'Big Daddy' Nord)
Eric Nord
Dr. Philip Hecht
Guy Prescott
Emergency Doctor (as James Lydon)
Jimmy Lydon
Director
George Blair
Screenplay
Gitta Woodfield
William Read Woodfield
Cinematography
Archie R. Dalzell
Makeup Artist
Tony Lloyd
Production Manager
Edward Morey Jr.
Assistant Director
Ray Gosnell Jr.
Property Master
Arden Cripe
Construction Manager
James West
Recording Supervision
Ralph Butler
Sound Editor
Martin Greco
Wardrobe Master
Roger J. Weinberg
Music Editor
Eve Newman
Continuity
Virginia Barth
Technical Advisor
Gil Boyne
Producer
Charles B. Bloch
Executive Producer
Ben Schwalb
Original Music Composer
Marlin Skiles
Editor
William Austin
Art Direction
Dave Milton
Set Decoration
Frank Wade
Emile LaVigne
Special Effects
Milton Olsen