Gene Wilder	...	(Director)
Gene Wilder	...	(Writer)
Gene Wilder	...	Sigerson Holmes
Madeline Kahn	...	Jenny Hill
Marty Feldman	...	Sgt. Orville Stanley Sacker
Dom DeLuise	...	Eduardo Gambetti
Leo McKern	...	Moriarty
Roy Kinnear	...	Moriarty's Assistant
John Le Mesurier	...	Lord Redcliff
Douglas Wilmer	...	Sherlock Holmes
Thorley Walters	...	Dr. Watson
George Silver	...	Bruner
Nicholas Smith	...	Hunkston
John Hollis	...	Moriarty's Gunman
Aubrey Morris	...	Coach Driver
Tommy Godfrey	...	Fred
Susan Field	...	Queen Victoria
Gerry Fisher	...	Cinematographer
Jim Clark	...	Editor
Joseph Behrmannis	...	Russian bidding for Redcliff Document
Wolfe Morris	...	Frenchman, bidding for Redcliffe Document
Julian Orchard	...	Man in Tails
Kenneth Benda	...	Butler
Michael Crane	...	Renato
Tony Sympson	...	Opera Conductor

Summary: Sherlock Holmes' younger brother is annoyed that he has had to live in Sherlock's shadow for so long. When Sherlock goes to the continent, he sends a case to his brother who constantly tries with varying success, to imitate Sherlock's deductive and observational tricks.