Cast & Crew
- Richard CarlsonJohn Putman
- Barbara RushEllen Fields
- Charles DrakeSheriff Matt Warren
- Russell JohnsonGeorge
- Kathleen HughesJane
- Joe SawyerFrank
- Dave WillockPete Davis (uncredited)
- Alan DexterDave Loring (uncredited)
- George EldredgeDr. Snell (uncredited)
- Bradford JacksonBob, Dr. Snell's assistant (uncredited)
- Edgar DearingSam (uncredited)
- Morey AmsterdamCorporal getting out of first staff car at crash site (unconfirmed)
- Jack ArnoldDirector
- William AllandProducer
- Ray BradburyWriter
- Harry EssexWriter