An American car salesman in London becomes mixed up in a series of fatal occurrences at a secluded mansion.
Tom Poston
Tom Penderel
Robert Morley
Roderick Femm
Janette Scott
Cecily Femm
Joyce Grenfell
Agatha Femm
Mervyn Johns
Potiphar Femm
Fenella Fielding
Morgana Femm
Peter Bull
Caspar Femm / Jasper Femm
Danny Green
Morgan Femm
