Mrs. Janet Stewart

Anabel Shaw

Dr. Richard Cross

Vincent Price

Nurse Elaine Jordan

Lynn Bari

Lt. Paul Stewart

Frank Latimore

Dr. Stevens

Stephen Dunne

District Attorney O'Neill

Reed Hadley

Miss Hatfield - Head Nurse

Renee Carson

Dr. Franklin Harvey

Charles Trowbridge

Mr. Edwards (uncredited)

John Davidson

Frank (uncredited)

Robert Adler

Dr. Blair (uncredited)

Selmer Jackson

Sanitarium Orderly (uncredited)

Harry Carter

Blake - Belmont Arms Hotel Manager

Pierre Watkin

Margaret Cross (uncredited)

Ruth Clifford

Miss Penny

Mary Young

Hotel Clerk (uncredited)

Charles Tannen

Nurse

Margaret Brayton

Margaret Cross (voice) (uncredited)

Ruth Nelson

Nurse

Claire Richards

Cab Driver (uncredited)

George E. Stone

Patient

Cecil Weston