Calling Dr. Death

Lon Chaney Jr.

Dr. Mark Steel

Patricia Morison

Stella Madden

J. Carrol Naish

Inspector Gregg

David Bruce

Robert 'Bob' Duval

Ramsay Ames

Maria Steele

Fay Helm

Mrs. Duval

Holmes Herbert

Bryant, the Butler

Alec Craig

Bill, the Watchman

Frederick Giermann

Marion's Father (as Fred Gierman)

Lisa Golm

Marion's Mother

Charles Wagenheim

Coroner

Mary Hale

Marion