Vincent Price

Dr. Richard Cross

Lynn Bari

Nurse Elaine Jordan

Frank Latimore

Lt. Paul Stewart

Anabel Shaw

Mrs. Janet Stewart

Stephen Dunne

Dr. Stevens (as Michael Dunne)

Reed Hadley

District Attorney O'Neill

Renee Carson

Miss Hatfield - Head Nurse

Charles Trowbridge

Dr. Franklin Harvey

Robert Adler

Frank - Male Nurse

Harry Carter

Sanitarium Orderly

Ruth Clifford

Mrs. Margaret Cross

John Davidson

Mr. Edwards

Selmer Jackson

Dr. Blair

Ruth Nelson

Mrs. Margaret Cross (voice)

George E. Stone

Cab Driver

Alfred L. Werker