Paul Hubschmid
Prof. Nesbitt
Acting
Paula Raymond
Lee Hunter
Acting
Cecil Kellaway
Prof. Elson
Acting
Kenneth Tobey
Col. Evans
Acting
Donald Woods
Capt. Jackson
Acting
Lee Van Cleef
Corp. Stone
Acting
Steve Brodie
Sgt. Loomis
Acting
Ross Elliott
George Ritchie
Acting
Jack Pennick
Jacob Bowman
Acting
Ray Hyke
Sgt. Willistead
Acting
Paula Hill
Miss Ryan
Acting
Michael Fox
ER Doctor
Acting
Alvin Greenman
Radar Man #1
Acting
Frank Ferguson
Dr. Morton
Acting
King Donovan
Dr. Ingersoll
Acting