"When Eric's niece Kathy becomes one of the heirs to a considerable fortune, her life (and those of the other heirs) is placed in jeopardy by the actions of a mysterious inter-loper."
Eric Morecambe
as Eric
Ernie Wise
as Ernie
Fulton Mackay
as Mackay
Lysette Anthony
as Kathy Chalmers
Margaret Courtenay
as Dame Flora
Kenneth Haigh
as Cousin Milton/Cousin Homer
Pamela Salem
as Cousin Zelda
Roger Brierley
as Chief Supt. Rivers
Edward Judd
as Knife Thrower
Ben Aris
as Theatre Manager
Tony Boncza
as Joe
Frank Coda
as Stage Manager
Big Mike Crane
as Big Jim
Tim Stern
as Tiny Big Jim
Robert Longden
as Vicar
Penny Meredith
as Mrs Manzini
Richard Vernon
as Uncle Felix
Joseph McGrath
Director
Writer
Rod McLaren
Idea
Producer
Philip Jones
Executive Producer
Jack Hobbs