Patrick George "Pat" Troughton (, 25 March 1920 – 28 March 1987) was an English actor most widely known for his roles in fantasy, science fiction, and horror films, particularly in his role as the
second incarnation of
the Doctor in the long-running British
science-fiction television series
Doctor Who, which he played from 1966 to 1969; he reprised the role in 1973, 1983, and 1985.