O Submarino Atômico

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)