Diretor/a
Lee Sholem
DIRETOR/A
Elenco (na ordem dos créditos)
Charles Drake
Dr. Ralph Harrison
Karin Booth
Janice Roberts
Billy Chapin
Brian Roberts
Taylor Holmes
Prof. Arnold Nordstrom
Steven Geray
Man with Rimless Glasses
Henry Kulky
Paul
Franz Roehn
Karl
Hal Baylor
Max
Peter Brocco
Dr. Gustav (uncredited)
Steve Carruthers
Reporter (uncredited)
Jack Daly
Scientist (uncredited)
Franklyn Farnum
Government Representative (uncredited)
Norman Field
Commissioner (uncredited)
Art Gilmore
Airport Announcer (uncredited) (voice)
Bill Hickman
Maurice Hill
Paul Power
Alan Reynolds
Gilligan (uncredited)
William Schallert
Johnston (uncredited)
Robert Shayne
General (uncredited)
Charles Sherlock
Military Man (uncredited)
J. Lewis Smith
Tobor (uncredited)
Norman Stevans
Lyle Talbot
Admiral (uncredited)
Emmett Vogan
Congressman (uncredited)
Helen Winston
Secretary (uncredited)