Boris Karloff

Dr. Leon Kravaal

Roger Pryor

Dr. Tim Mason

Jo Ann Sayers

Nurse 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

Minta Durfee

Frozen Therapy Patient (uncredited)

Charles Miller

Doctor Spectator Explaining Procedure (uncredited)

Eddie Dew

Doctor Spectator Listening to Explanation (uncredited)

James Conaty

Doctor Spectator (uncredited)

Wedgwood Nowell

Doctor Spectator (uncredited)

Cyril Ring

Doctor Spectator (uncredited)

William Marion

Doctor Spectator (uncredited)

Landers Stevens

Doctor Spectator (uncredited)

Ivan Miller

Sheriff Haley (uncredited)

Bruce Bennett

State Trooper (uncredited)

Charles Halton

Doctor in Front Row in Final Scene (uncredited)

Lee Willard

Frozen Body of Jasper Adams (uncredited)

Nick Grindé

Director

Karl Brown

Guión, Guión Adaptado

Harold Shumate

Guión, Historia

Benjamin H. Kline

Director de Fotografía

Mischa Bakaleinikoff

Música

Gerard Carbonara

Música

Ben Oakland

Música

Karol Rathaus

Música

Gregory Stone

Música

Edward Bernds

Sound Engineer

Morris Stoloff

Music Director

Wallace MacDonald

Productor

Columbia Pictures

Compañía de Produccion

Irving Briskin

Productor Ejecutivo

Fred B. Phillips

Maquilladora

Al Clark

Editor

Lionel Banks

Dirección Artística

Ralph S. Willard

Technical Advisor