Casts

Charles Drake

Dr. Ralph Harrison

Karin Booth

Janice Roberts

Billy Chapin

Brian 'Gadge' Roberts

Taylor Holmes

Prof. Arnold Nordstrom

Steven Geray

The Foreign Spy-Chief

Henry Kulky

Paul (Spy Henchman)

Franz Roehn

Karl

Hal Baylor

Max (Spy Henchman)

William Schallert

Johnston - a Reporter

Lyle Talbot

An Admiral

Crews

Philip MacDonald

Screenplay

Carl Dudley

Story

Richard Goldstone

Producer

Lee Sholem

Director

Howard Lydecker

Special Effects

Bob Mark

Makeup Artist

Basil Wrangell

Editor

Howard Jackson

Original Music Composer

Edward G. Boyle

Set Decoration

Gabriel Scognamillo

Art Direction

John L. Russell

Director of Photography

Orville Fouse

Production Supervisor

John McCarthy Jr.

Set Decoration

Theodore Lydecker

Special Effects