"Glenn Manning, "The Amazing Colossal Man," believed dead after falling from the Hoover Dam, reemerges in rural Mexico, brain damaged, disfigured, and very angry."
Sally Fraser
as Joyce Manning
Roger Pace
as Major Mark Baird
Duncan 'Dean' Parkin
as Col. Glenn Manning
Russ Bender
as Dr. Carmichael
Rico Alaniz
as Sgt. Luis Murillo
George Becwar
as John Swanson, truck owner
Roberto Hernández
as Miguel
Charles Stewart
as Capt. Harris
June Jocelyn
as Mrs. Edwards, mother
John McNamara
as The Neurologist
Loretta Nicholson
as Joan
Raymond Winston
as Arthur Lang
Jack Kosslyn
as Newscaster
George Navarro
as Mexican Doctor
Bob Garnet
as Capitol Hill Reporter
Stan Chambers
as TV Announcer
June Burt
as Laurie Edwards
Howard Wright
as Medical Research Official
George Alexander
as Army Officer
Bill Giorgio
as Bus Driver
Hal Torey
as Health and Welfare Department Head
George Milan
as Gen. Nelson
Warren Frost
as Police Dispatcher
Robert Tetrick
as
Rod Dana
Roy Gordon
as Mayor of Los Angeles
Bert I. Gordon
Director
Samuel Z. Arkoff
Executive Producer
Producer
James H. Nicholson
George Worthing Yates
Screenplay
Screenstory
Albert Glasser
Original Music Composer
Jack A. Marta
Director of Photography
Flora M. Gordon
Special Effects Assistant
Special Effects
Walter E. Keller
Art Direction
Jack H. Young
Makeup Effects Designer
Ronald Sinclair
Supervising Film Editor
Herbert E. Mendelson
Assistant Director
John W. Rogers
Maury Hoffman
Set Decoration
Walter Broadfoot
Property Master
Ben Winkler
Sound Mixer
Josef von Stroheim
Sound Editor
Henry Schrage
Associate Producer
Production Manager