The Adventure of Sherlock Holmes' Smarter Brother

After spending decades living in the shadow of his more famous and successful sibling, Consulting Detective Sigerson Holmes 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, Madeline Kahn, Marty Feldman, Dom DeLuise, Leo McKern, Roy Kinnear, John Le Mesurier, Douglas Wilmer