Reparto y equipo
-
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 ArnoldDirección
- William AllandProducción
- Ray BradburyEscritor
- Harry EssexEscritor