Discover
Arthur Franz
Richard "Reef" Holloway
Dick Foran
Dan Wendover
Brett Halsey
Carl Neilson Jr.
Tom Conway
Ian Hunt
Paul Dubov
David Milburn
Bob Steele
"Grif" Griffin
Victor Varconi
Clifford Kent
Joi Lansing
Julie
Selmer Jackson
Admiral Terhune
Jack Mulhall
Justin Murdock
Jean Moorhead
Helen Milburn
Richard Tyler
Frogman Carney
Kenneth Becker
Frogman Powell
Sid Melton
Chester Tuttle
Frank Watkins
Watkins
Pat Michaels
Narrator
John Hilliard
Saucer Voice (voice)
Edmund Cobb
Passerby (uncredited)
Frank Lackteen
Passerby (uncredited)
Art
Don Ament
Art Direction
Daniel Haller
Art Direction
Harry Reif
Set Decoration
Max Frankel
Property Master
Costume & Make-Up
Emile LaVigne
Makeup Artist
Norah Sharpe
Wardrobe Assistant
Roger J. Weinberg
Wardrobe Assistant
Crew
Jack Rabin
Special Effects
Irving Block
Special Effects
Louis DeWitt
Special Effects
Milton Olsen
Special Effects
Directing
Spencer Gordon Bennet
Director
Arthur M. Broidy
Assistant Director
Clark L. Paylow
Assistant Director
Judith Hart
Script Supervisor
Editing
William Austin
Editor
Lighting
George Satterfield
Electrician
Production
Alex Gordon
Producer
Henry Schrage
Co-Producer
Orville H. Hampton
Associate Producer
Jack Rabin
Associate Producer
Irving Block
Associate Producer
Edward Morey Jr.
Production Manager
Sound
Alexander Laszlo
Original Music Composer
Ralph Butler
Sound
Neil Brunnenkant
Music Editor
Martin Greco
Sound Editor
Art
Don Ament
Art Direction
Daniel Haller
Art Direction
Harry Reif
Set Decoration
Max Frankel
Property Master
Costume & Make-Up
Emile LaVigne
Makeup Artist
Norah Sharpe
Wardrobe Assistant
Roger J. Weinberg
Wardrobe Assistant
Crew
Jack Rabin
Special Effects
Irving Block
Special Effects
Louis DeWitt
Special Effects
Milton Olsen
Special Effects
Directing
Spencer Gordon Bennet
Director
Arthur M. Broidy
Assistant Director
Clark L. Paylow
Assistant Director
Judith Hart
Script Supervisor
Editing
William Austin
Editor
Lighting
George Satterfield
Electrician
Production
Alex Gordon
Producer
Henry Schrage
Co-Producer
Orville H. Hampton
Associate Producer
Jack Rabin
Associate Producer
Irving Block
Associate Producer
Edward Morey Jr.
Production Manager
Sound
Alexander Laszlo
Original Music Composer
Ralph Butler
Sound
Neil Brunnenkant
Music Editor
Martin Greco
Sound Editor