Der Geheimagent
Sabotage, released in the US as The Woman Alone, is a 1936 British espionage thriller film directed by Alfred Hitchcock and starring Sylvia Sidney, Oskar Homolka, and John Loder. It is loosely based on Joseph Conrad's 1907 novel "The Secret Agent", about a woman who discovers that her husband, a London cinema owner, is a terrorist agent.