The Adventure of Sherlock Holmes' Smarter Brother (14/12/1975)

Production : 20th Century Fox

Synopsis

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.

Gene Wilder

Madeline Kahn

Marty Feldman

Dom DeLuise