Mildred NatwickNadia Demarest Royal DanoMarvin the Push Cloris LeachmanMargaret Sou Judith EvelynMrs. Collins George ReevesRoger Sherman Walter SlezakDr. Potterton / Richard Morley Leslie NielsenSerge Soudekine Richard CooganInvestigator Westcott Sidney BlackmerDr. Steven Archer Olive DeeringMuriel Torres Eva GaborMadeleine De Rochefort Gaby RodgersJoanie Lennox Robert H. HarrisDr. Tabor Martin E. BrooksHarry Raymond Ray WalstonHerbert the Hook Otto KrugerChester Crabtree Marjorie GatesonFlorence Hackett Luis van RootenPolice Inspector Jules Maigret Basil RathboneSherlock Holmes Thomas MitchellDr. Paul Morgan Eddie AlbertDanny Maguire Louisa Horton HillSally Turner Edmon RyanDistrict Attorney Russell CollinsEverett Kelsey Frank MarthLt. Captain Richter George MathewsPolice Detective Dana WynterPatricia Richter Isobel ElsomMrs. Cattermole Robert EmhardtMorgan Nelson Susan DouglasZita Bradford Felicia MontealegreElaine Bela LugosiGen. Fortunato Warren StevensBernard Frank Richard FraserClub President Otto PremingerCaptain von Weissenborn Virginia GilmoreCora Maybee Max Simon EhrlichEscritor 
