Karl Anton Verloc and his wife own a small cinema in a quiet London suburb where they live seemingly happily. But Mrs. Verloc does not know that her husband has a secret that will affect their relationship and threaten her … Sylvia Sidney, Oskar Homolka, Desmond Tester, John Loder, Joyce Barbour, Matthew Boulton, S. J. Warmington Added on Amazon Prime 2023-08-04.