Frank Richardson, Victor Hanbury (uncredited) Writer: Reginald Long Noah Beery ... Lee Barwell Kathleen Kelly Kathleen Kelly ... Gwen Taylor Louis Borel Louis Borel ... Pierre Charrell (as Louis Borell) Charles Oliver Charles Oliver ... Toni Visetti Reginald Long Reginald Long ... Charles Mason Penelope Parkes Penelope Parkes ... Elizabeth Tarva Penna Tarva Penna ... Conrad Colter (as Tarver Penna) Bela Mila Bela Mila ... Mrs. Penworthy Henry B. Longhurst Henry B. Longhurst ... Streeter (as Henry Longhurst) Billie de la Volta Billie de la Volta ... Muriel (as B. de la Volta) Joan Kemp-Welch Joan Kemp-Welch ... Madame Ambrosia Fred Bush Fred Bush ... Hotel manager Carol Reed Writers: Anthony Kimmins (screen play), J.B. Priestley Edmund Gwenn ... Mr. Radfern Cedric Hardwicke Cedric Hardwicke ... Mr. Baxley Victoria Hopper Victoria Hopper ... Elsie Radfern Ethel Coleridge Ethel Coleridge ... Mrs. Baxley Katie Johnson Katie Johnson ... Mrs. Radfern Francis James Francis James ... Harold Russ James Harcourt James Harcourt ... Joe Fletten David Hawthorne David Hawthorne ... Inspector Stack Frederick Burtwell Frederick Burtwell ... Simpson Terry Conlin Terry Conlin ... Police Sergeant (as Terence Conlin) Norman Walker Norman Walker ... Man with Glasses Rest of cast listed alphabetically: Tom Gill Tom Gill ... Bit Part Arnold Lucy Arnold Lucy ... Bit Part