Bela Lugosi

~ as ~

Dr. Charles Kessler

Polly Ann Young

~ as ~

Virginia Kessler

John McGuire

~ as ~

Ralph Dickson / Paul Dickson

Clarence Muse

~ as ~

Evans the Butler

George Pembroke

~ as ~

Lt. Williams

Betty Compson

~ as ~

Mrs. Kessler

Ernie Adams

~ as ~

Jules Mason, caretaker

Ottola Nesmith

~ as ~

Mrs. Mason

Terry Walker

~ as ~

Cecile Mannix, maid

Fred Kelsey

~ as ~

Detective Ryan