© 2026 The Couch Critic
"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.
33 Cast Members
Edmund Lowe
Sir Everard Dominey / Baron Leopold von Ragostein
Valerie Hobson
Eleanor Dominey
Wera Engels
Princess Stephanie Elderstrom
Murray Kinnell
Seaman
Henry Mollison
Eddie Pelham
Esther Dale
Mrs. Unthank
Brandon Hurst
Middleton
Ivan F. Simpson
Dr. Harrison
Spring Byington
Duchess Caroline
Lumsden Hare
Duke Henry
Charles Waldron
Sir Ivan Brunn
Leonard Mudie
Mangan
Claude King
Sir Gerald Hume
Frank Reicher
Dr. Trenk
Harry Allen
Perkins
Nan Grey
Middleton's Daughter (uncredited)
Willy Castello
Duval (uncredited)
Priscilla Lawson
Maid (uncredited)
Virginia Hammond
Lady Hume (uncredited)
Thomas R. Mills
Bartender (uncredited)
