Charles Martin Director, Producer, Screenwriter George Sanders Clementi Sabourin Actor Yvonne De Carlo Bridget Kelly Actor Zsa Zsa Gabor Mrs. Ryan Actor Victor Jory Leonard Wilson Actor Nancy Gates Stephanie North Actor Coleen Gray Mrs. Edith Van Renasslear Actor John Hoyt Mr. O'Hara Actor Lisa Ferraday Zina Monte Actor Tom Conway Gerry Monte aka Sabourin Actor Celia Lovsky Mrs. Sabourin Actor Werner Klemperer Herbert Bauman Actor Justice Watson Henry Actor John Sutton The Actor as 'Tom' in Stage Play Actor Curtis Cooksey Oswald Van Renassalear Actor Morris Ankrum Capt. LaFarge Actor George Brent O'Connell Actor