Mildred NatwickSuspicious Woman Eileen HeckartMargaret Quartermain Judith EvelynMrs. Collins Walter SlezakDr. Potterton / Richard Morley E.G. MarshallAbner Snopes Leslie NielsenSerge Soudekine Richard CooganInvestigator Westcott Cara WilliamsBetty Marshall Sidney BlackmerDr. Steven Archer Olive DeeringMuriel Torres Eva GaborMadeleine De Rochefort Gaby RodgersJoanie Lennox Robert H. HarrisDr. Tabor Martin E. BrooksMeros Leckow Jeffrey LynnJohn Bantreagh Ray WalstonHerbert the Hook Otto KrugerChester Crabtree Marjorie GatesonFlorence Hackett Luis van RootenPolice Inspector Jules Maigret Basil RathboneDr. Jekyll / Mr. Hyde Jack PalanceCount Alessandro di Cagliostro Thomas MitchellHenry Brown Eddie AlbertDanny Maguire Louisa Horton HillAlice Martin Edmon RyanDistrict Attorney Russell CollinsEverett Kelsey Frank MarthLt. Captain Richter George MathewsPolice Detective Dana WynterPatricia Richter Isobel ElsomMme. Constancia Robert EmhardtMorgan Nelson Susan DouglasZita Bradford Felicia MontealegreElaine Bela LugosiGen. Fortunato Warren StevensBernard Frank Richard FraserClub President Otto PremingerCaptain von Weissenborn Virginia GilmoreCora Maybee Cornell WoolrichScénárista Max Simon EhrlichScénárista Charles RobinsonScénárista 
