An English actor active in the theater since 1961, having made few theatrical movies, none of which particularly outstanding, with the exception of John Boorman's Zardoz (1974) and Nigel Cole's popular Calendar Girls (2003), John Alderton has become famous thanks to British television. Appearing in approximately two hundred TV series episodes, TV movies or specials, he is best remembered as the teacher facing the rowdy students in the series Please Sir! (1968), from 1968 to 1972, and Thomas, the chauffeur, in Maîtres et valets (1971), between 1971 and 1975.