John Wentworth (1908–1989) was a British television actor. He starred in the ITV television series The Main Chance in which he played the role of Henry Castleton a traditionalist Leeds-based lawyer.
★7.4The Saint
Prof. Hamish Grant
1962
★5.3BBC Play of the Month
Maj. Callendar
1965
★7.7The Prisoner
Sir Charles Portland
1967
★7.5The Rivals of Sherlock Holmes
Thaxted
1971
★8.2The Human Jungle
Sir Humphrey
1963
★8.3The Main Chance
Henry Castleton
1969
★6.7The Scales of Justice
Registrar
1962
Theatre Night
John Lawless
1957
★6.3The Edwardians
Prime Minister
1972
★8.0The Odd Man
Preece Sr.
1960
★6.3The Search for the Nile
Doctor
1971
★5.0A Married Man
Sir Christopher Gerrard
1983
