Adapted by Chris Harrald from the short story by Jacques Futrelle. Inspector Lestrade was made to look a fool in the Sherlock Holmes stories. Now he has a chance to get his own back, with tales of Holmes' rivals. He continues with the extraordinary story of Professor SFX Van Dusen, who thinks his way out of a locked prison cell. Lestrade ... . James Fleet Van Dusen ... . Paul Rhys Lucy ... . Alex Tregear Fielding ... . Sean Baker Merriman ... . Stuart McLoughlin Hatch ... . Alun Raglan O'Connor ... . Simon Bubb Directed by Sasha Yevtushenko.