Episode

The Problem of Thor Bridge

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Next: The Creeping Man

Cast
Clive Merrison as Sherlock Holmes
Michael Williams as Dr. John H. Watson
Michael Tudor Barnes as Marlow Bates
George Parsons as Sgt. Coventry
Charles Simpson as Joyce Cummings
Charlotte Attenborough as Grace Dunbar
Mark Straker as Mr. Ferguson
William Hootkins as J. Neil Gibson
Jilly Bond as Maria Gibson
David Antrobus as Policeman
Joshua Towb as Policeman
Don McCorkindale as Warder