Sherlock Holmes: The Master Blackmailer
The Master Blackmailer (original)
Starring Jeremy Brett, Edward Hardwicke, Robert Hardy, Norma West, Gwen Ffrangcon Davies, Colin Jeavons, Serena Gordon, Rosalie Williams, Sophie Thompson, Nickolas Grace
Watch "Sherlock Holmes: The Master Blackmailer" from streaming services britbox-britbox-subscription, TV2 Play (Britbox) released in 1992. It's a crime and drama movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.