Movie guide
The Adventure of Sherlock Holmes' Smarter Brother (1975): movie guide
The Adventure of Sherlock Holmes' Smarter Brother (1975) is a Comedy, Crime, Mystery running about 91 minutes. It holds a TMDB score of 6.0/10 from 177 votes. Notable cast includes Gene Wilder, Madeline Kahn, Marty Feldman, Dom DeLuise. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 1975-12-14
- Runtime: 91 min
- TMDB: 6.0/10
- Genres: Comedy, Crime, Mystery
Last updated: 2026-11-11 · First listed: 1975-12-14

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What is The Adventure of Sherlock Holmes' Smarter Brother about?
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 highlights
The Adventure of Sherlock Holmes' Smarter Brother features Gene Wilder, Madeline Kahn, Marty Feldman, Dom DeLuise, Leo McKern, Roy Kinnear. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 1975-12-14. Runtime: 91 minutes. TMDB score: 6.0/10 (177 votes). Genres: Comedy, Crime, Mystery. Original language: en. Status: Released.
Discover The Adventure of Sherlock Holmes' Smarter Brother on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse The Adventure of Sherlock Holmes' Smarter Brother, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is The Adventure of Sherlock Holmes' Smarter Brother?
- The Adventure of Sherlock Holmes' Smarter Brother is listed as Comedy, Crime, Mystery on TMDB.
- How long is The Adventure of Sherlock Holmes' Smarter Brother?
- The Adventure of Sherlock Holmes' Smarter Brother runs about 91 minutes.
- Who stars in The Adventure of Sherlock Holmes' Smarter Brother?
- Cast highlights include Gene Wilder, Madeline Kahn, Marty Feldman, Dom DeLuise, Leo McKern, Roy Kinnear.
- Does Cinema Box stream The Adventure of Sherlock Holmes' Smarter Brother?








