Name: The Case of the Impromptu Performance
Released: Monday, June 6, 1955
Cast: Howard Marion-Crawford, Ronald Howard, Archie Duncan, Richard Larke, Patrick Shelley

Episode

The Case of the Impromptu Performance

Adaptation: 1954 Sheldon Reynolds TV
Episode: 32
Airdate: 06 June 1955
IMDb: The Case of the Impromptu Performance (link not verified)

Previous: The Case of the Exhumed Client
Next: The Case of the Baker Street Bachelors

Cast
Ronald Howard	as Sherlock Holmes
Howard Marion-Crawford	as Dr. John H. Watson
Archie Duncan	as Insp. G. Lestrade
Patrick Shelley	as Brighton
Colin Drake	as Amos Carruthers
June Peterson	as Mrs. Chivvy
Eugene Deckers	as Pettyfoot
Richard Larke	as Sgt. Wilkins