John Baskcomb (7 February 1916 – 29 March 2000) was an English character actor who made numerous television and film appearances over a 35-year period. He was the son of the founder of the Bank of England Operatic and Dramatic Society and was educated at Croydon High School for Boys. He then appeared on stage in repertory theatre in Croydon and Henley-on-Thames and in clubs, pantomimes and concert parties. He made appearances in numerous British television plays and series including; Doctor Who (Terror of the Autons), The Saint, Softly, Softly and Poldark and he played the role of Cardinal Wolsey in The Six Wives of Henry VIII (1970). His film roles included Oliver! (uncredited), Chitty Chitty Bang Bang (uncredited), Battle of Britain, Dad's Army and Omen III: The Final Conflict. Description above from the Wikipedia article Terence Alexander, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Memento Mori 1992
as Fat Old Man
The Lady and the Highwayman 1988
as Archbishop
The Day of the Janitor 1981
as Darby
The Final Conflict 1981
as Diplomat
The Portland Millions 1976
as Bargrave Dean
The Darwin Adventure 1972
as Prof. Draper
Dad's Army 1971
as Mayor
Doctor Who: Terror of the Autons 1971
as Rossini
Uncle Vanya 1970
as Telyeghin
Battle of Britain 1969
as Farmer
Chitty Chitty Bang Bang 1968
as Castle Chef (uncredited)
The World in Silence 1966
as Eric Lonsbury
Credits from TMDB.