Credits
Cast
Don Megowan
Capt. Kenneth Cragis
Erica Elliott
Maxine Megan
Don Doolittle
Dr. Raven
George Milan
Acto
Dudley Manlove
Lagan
Frances McCann
Esme Cragis Milos
David Cross
Pax
Malcolm Smith
Court
Richard Vath
Mark
Reid Hammond
Hart
Pat Bradley
Dr. Moffitt (uncredited)
William Hunter
Ward (uncredited)
Gil Frye
Orus (uncredited)
Alton Tabor
Kelly (uncredited)
Paul Sheriff
Police Officer (uncredited)
Art
Ted Rich
Art Direction
Morris Hoffman
Set Decoration
Camera
Hal Mohr
Director of Photography
Costume & Make-Up
Jack Pierce
Makeup Artist
Directing
Wesley Barry
Director, Producer
Editing
Ace Herman
Editor
Production
Edward J. Kay
Producer, Original Music Composer
Writing
Jack Williamson
Novel
Karel Čapek
Original Story
Jay Simms
Story, Screenplay