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.
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

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
Wolfe Morris
Frenchman
Julian Orchard
Man in Tails

Kenneth Benda
Butler

Mel Brooks
Lion victim (voice)
Joseph Behrmannis
Russian
Tony Sympson
Opera Conductor
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