
Sumner's best of these caricatures was his utterly inept Major Upshott-Bagley of I Only Arsked! (1958) (see photo) and the resulting spin-off series The Army Game (1957-1960) or his role as Humphrey Beagle in the mad-cap comedy Helter Skelter (1949).
Other films that he appeared in include; Too Many Husbands (1938), Lucky To Me (1939), Old Mother Riley in Society (1940), Law and Disorder (1940), While the Sun Shines (1947), Dark Secret (1949), The Perfect Woman (1949), The Dark Man (1951), The Happy Family (1952), Top Secret (1952), Always a Bride (1953), Those People Next Door (1953) and Band of Thieves 1962).
He appeared in many TV series including The Dancing Bear as Mansfield Potter (1954), Dr Hicks in Emergency Ward 10 (1965), Henry Copthorne in 1967’s The Reluctant Romeo ans Sir James Cameron Bangore in Life begins at Forty (1978).
As well as appearing in a number of films, he was also a commentator for British Movietone News.
He died 29th September 1989.