From The Arthur Conan Doyle Encyclopedia
John Malcolm (26 march 1936 - 14 june 2008) was a Scottish actor who played Inspector Campbell in 1972 in the radio play Conan Doyle Investigates with Carleton Hobbs as Sir Arthur Conan Doyle. He was Tangey in 1984 in the TV episode The Naval Treaty with Jeremy Brett as Sherlock Holmes. And he also played a doctor in the street in 2000 in the TV episode The Dark Beginnings of Sherlock Holmes of the TV series Murder Rooms: Mysteries of the Real Sherlock Holmes with Ian Richardson as Dr. Joseph Bell and Robin Laing as Arthur Conan Doyle.
- 1972 : Conan Doyle Investigates (as Inspector Campbell)
- 1984 : The Naval Treaty (as Tangey)
- 2000 : The Dark Beginnings of Sherlock Holmes (as a doctor in the street)