Name	Known for
Tony Britton Col. Richard Saunderson Col. Richard Saunderson See fewer	The Day of the Jackal (1973)
Charles Heslop The British G.O.C. The British G.O.C. See fewer	Hobson's Choice (1920)
Fabia Drake Mrs. Y Mrs. Y See fewer	A Room with a View (1985)
Oliver Johnston Mr. Y Mr. Y See fewer	The Quatermass Experiment (1953)
April Olrich Poca Poca See fewer	Supergirl (1984)
Dan Jackson The Balaika The Balaika See fewer	Bunny Lake Is Missing (1965)
Tristram Jellinek Col. Ivan Zolovitch Col. Ivan Zolovitch See fewer	Top Secret! (1984)
Anthony Dawes Capt. David Derrington Capt. David Derrington See fewer	Barry Lyndon (1975)
David Garth Major Barry Thompson Major Barry Thompson See fewer	Superman IV: The Quest for Peace (1987)
Robin Lloyd Lt. Robin Thorburn Lt. Robin Thorburn See fewer	BBC Sunday-Night Theatre (1950)
William Job Lt. Harry Hodgson Lt. Harry Hodgson See fewer	The Avengers (1961)
Richard Marner The Russian G.O.C. The Russian G.O.C. See fewer	The Sum of All Fears (2002)
Graeme Bruce Major Vassiliev Roskovich Major Vassiliev Roskovich See fewer	The Avengers (1961)
Alec Bregonzi Capt. Sergei Nikolai Capt. Sergei Nikolai See fewer	Ooh La La! (1968)
Makki Marseilles Lt. Georgi Pushkof Lt. Georgi Pushkof See fewer	Curtain of Fear (1964)
Peter Exposite Lt. Pietro Cheknil Lt. Pietro Cheknil See fewer	The Saint (1962)
Sandra Hampton Hontas Hontas See fewer	Doctor Who (1963)
Harold Goodwin Pte. Bert Roberts Pte. Bert Roberts See fewer	The Bridge on the River Kwai (1957)
Robert Scroggins Pte. Jo Zobowsky Pte. Jo Zobowsky See fewer	St. Ives (1955)
Clifford Cox Sergeant-Major Sergeant-Major See fewer	Quatermass and the Pit (1958)
Brian Willett Pte. Robinson Pte. Robinson See fewer	The Naked Lady (1959)
Lloyd Pearson Mr. X Mr. X See fewer	The Good Companions (1957)
Nancy Nevinson Mrs. X Mrs. X See fewer	Young Sherlock Holmes (1985)