"A broke British nobleman targets his Canadian uncle, but other relatives get in the way."
Nigel Patrick
as Henry Clitterbern
Charles Coburn
as Uncle George Clitterbern
Wendy Hiller
as Edith Clitterbern
Katie Johnson
as Alice
Anthony Newley
as Edward
Athene Seyler
as Grannie (Victoria Clitterbern)
Noel Hood
as Aunt Marjorie
Kenneth Fortescue
as Albert Clitterbern
Paddy Webster
as Constance Clitterbern
Michael Caine
as Gilrony
Trevor Reid
as Inspector
Cyril Luckham
as Coroner
Johnson Bayly
as Radio Officer
Martin Boddey
as Police Sergeant
Kevin Stoney
as Bar Steward
Anthony Shaw
as Colonial Type
Ian Wilson
as Postman
Jack Mandeville
as Reporter at Inquest (uncredited)
Tony Castleton
Director
Albert R. Broccoli
Executive Producer
Didier Daix
Theatre Play
John Paxton
Screenplay
Kenneth V. Jones
Original Music Composer
Ted Moore
Director of Photography