PersonDonald Pickering7 credits in the catalogue: acting.ActingDoctor at Large1957Cyril (uncredited)Fahrenheit 4511966TV Announcer (uncredited)A Challenge for Robin Hood1967Sir Jamyl de PenitoneA Bridge Too Far1977Lt. Col. MackenzieThe Thirty Nine Steps1978MarshallZulu Dawn1979Maj. Russell R.A.The Man Who Knew Too Little1997Sir Duncan