Sherlock Holmes gets the clues he needs to solve a murder, and to prevent another one from occurring, when he finds out that a doctor owns a poisonous snake--the deadly swamp adder. Filmed on the expensive sets leftover from the movie Joan of Arc at Hal Roach Studios in Culver City and produced for the "Your Show Time" series, the short has been released as a solo feature on many DVDs that chronicle classic Sherlock Holmes films..
Directed by Sobey Martin
Arthur Shields
The Bookshop Man
Alan Napier
Sherlock Holmes
Evelyn Ankers
Miss Stoner
Melville Cooper
Dr. John H. Watson
Edgar Barrier
Dr. Grimesby Roylott
Richard Fraser
John Armitage
Gail Roberts
Jean Stoner
