Kenneth Haigh was an British actor.

Primarily known for his stage work, Haigh appeared in a dozen films, including Cleopatra (1963), with Elizabeth Taylor and Richard Burton, in which he played Brutus, and A Hard Day’s Night (1964), in which he had a memorable uncredited cameo role as a cocky television producer interrogating George Harrison.

Haigh made occasional appearances on American television, and his most recognizable appearance is that of time-travelling Flight Lieutenant William Terrance Decker in The Twilight Zone episode "The Last Flight" (1960).

Haigh died February 4, 2018, in England. He was 86.