Ronald Howard was an English actor and writer who starred in a number of British B movies in the forties and fifties, before moving into television, most notably in the 1954 version of Sherlock Holmes.
He was the son of actor Leslie Howard.
as Sherlock Holmes (archive footage)
as Halsey
as Dr. Ross
as Dr. John Dartington
as Watt Nelson
as Insp. Huntington
as Sanders
as Wing Commander Hayes
as Hugo Copp
as le capitaine Robinson
as John Bray
as George Hadley
as Edmund of Cornwall
as Dr. Harold Golfrey
as Capt. Johns
as Robin Hood
as Lockwood
as Inspector Gordon
as Sir Richard Clovell