All Cast

Boris Karloff

Boris Karloff

Gen. Nikolas Pherides

Ellen Drew

Ellen Drew

Thea

Marc Cramer

Marc Cramer

Oliver Davis

Katherine Emery

Katherine Emery

Mary St. Aubyn

Helene Thimig

Helene Thimig

Madame Kyra

Alan Napier

Alan Napier

St. Aubyn

Jason Robards Sr.

Jason Robards Sr.

Albrecht

Ernst Deutsch

Ernst Deutsch

Dr. Drossos

Skelton Knaggs

Skelton Knaggs

Andrew Robbins (uncredited)

Sherry Hall

Sherry Hall

Col. Kobestes (uncredited)

Erick Hanson

Erick Hanson

Officer (uncredited)

Rose Hobart

Rose Hobart

Mary St. Aubyn (in long shot; uncredited)