Casts
Paul Hubschmid
as Prof. Nesbitt
Paula Raymond
as Lee Hunter
Cecil Kellaway
as Prof. Elson
Kenneth Tobey
as Col. Evans
Donald Woods
as Capt. Jackson
Lee Van Cleef
as Corp. Stone
Steve Brodie
as Sgt. Loomis
Ross Elliott
as George Ritchie
Jack Pennick
as Jacob Bowman
Paula Hill
as Miss Ryan
