The Adventure of Sherlock Holmes' Smarter Brother (1975)

Director: Gene Wilder

After spending decades living in the shadow of his more famous and successful sibling, Consulting Detective Sigerson Holmes (Wilder) is called upon to help solve a crucial case that leads him on a hilarious trail of false identities, stolen documents, secret codes... and exposed backsides.

Cast

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

Michael Crane

Renato

Albert Finney

Man in Audience at Opera