Dr. Leon Kravaal

Boris Karloff

Acting

Dr. Tim Mason

Roger Pryor

Acting

Nurse Judith Blair

Jo Ann Sayers

Acting

Bob Adams

Stanley Brown

Acting

John Hawthorne

John Dilson

Acting

Sheriff Stanton

Hal Taliaferro

Acting

Dr. Bassett

Byron Foulger

Acting

Dr. Harvey

Charles Trowbridge

Acting

Pete Daggett

Ernie Adams

Acting

Frozen Therapy Patient (uncredited)

Minta Durfee

Acting

Doctor Spectator Explaining Procedure (uncredited)

Charles Miller

Acting

Doctor Spectator Listening to Explanation (uncredited)

Eddie Dew

Acting

Doctor Spectator (uncredited)

James Conaty

Acting

Doctor Spectator (uncredited)

Wedgwood Nowell

Acting

Doctor Spectator (uncredited)

Cyril Ring

Acting

Doctor Spectator (uncredited)

William Marion

Acting

Doctor Spectator (uncredited)

Landers Stevens

Acting

Sheriff Haley (uncredited)

Ivan Miller

Acting

State Trooper (uncredited)

Bruce Bennett

Acting

Doctor in Front Row in Final Scene (uncredited)

Charles Halton

Acting

Frozen Body of Jasper Adams (uncredited)

Lee Willard

Acting