Director/a
Nick Grinde
DIRECTOR/A
Reparto (por orden de créditos)
Boris Karloff
Dr. Leon Kravaal
Roger Pryor
Dr. Tim Mason
Jo Ann Sayers
Judith Blair
Stanley Brown
Bob Adams
John Dilson
John Hawthorne
Hal Taliaferro
Sheriff Stanton
Byron Foulger
Dr. Bassett
Charles Trowbridge
Dr. Harvey
Ernie Adams
Pete Daggett
Bruce Bennett
State Trooperuncredited
James Conaty
Doctor Spectatoruncredited
Eddie Dew
Doctor Spectator Listening to Explanationuncredited
Minta Durfee
Frozen Therapy Patientuncredited
Charles Halton
Doctor in Front Row in Final Sceneuncredited
William Marion
Charles Miller
Doctor Spectator Explaining Procedureuncredited
Ivan Miller
Sheriff Haleyuncredited
Wedgwood Nowell
Cyril Ring
Landers Stevens
Lee Willard
Frozen Body of Jasper Adamsuncredited