
"The Supreme SPY Adventure!"
The second of the three film versions of the E. Phillips Oppenheim espionage thriller set largely in an old dark house where a tremulous wife wonders if her husband is really his double, a dastardly German spy.
Sir Everard Dominey / Baron Leopold von Ragostein

Eleanor Dominey

Princess Stephanie Elderstrom

Seaman

Eddie Pelham

Mrs. Unthank

Middleton

Dr. Harrison

Duchess Caroline

Duke Henry

Sir Ivan Brunn
Mangan

Sir Gerald Hume

Dr. Trenk

Perkins

Middleton's Daughter (uncredited)

Duval (uncredited)

Maid (uncredited)

Lady Hume (uncredited)

Bartender (uncredited)
Villager (uncredited)

Villager (uncredited)

Villager (uncredited)

Waiter (uncredited)
Roger Unthank (uncredited)

English Farmer (uncredited)
English Farmer (uncredited)
Wolff (uncredited)

Hugo (uncredited)

German (uncredited)

Army Officer (uncredited)

Lord Allison (uncredited)

Chauffeur (uncredited)
