Donald H. McKillop (14 November 1929 – 19 December 2005) was an English actor. Notable roles include Bert the Landlord in the Doctor Who fifth and final serial of the eighth season, The Dæmons in 1971, Jack in The Likely Lads, Bill in Rosie and as Sgt. McKechnie in the first series of the Scottish TV production Sutherland's Law, opposite Maev Alexander. He appeared in five episodes of Dr. Finlay's Casebook between 1964 and 1970. He also appeared in notable films such as The Breaking of Bumbo (1970), An American Werewolf in London (1981) and Walter (1982). During the 1970s, between acting work, Don worked as a metalwork teacher at the Roger Manwood School in South-East London, where he was much liked by the boys he taught, with particular skills at the forge and in welding. At this time he was filming parts in the Likely Lads which his pupils found exciting. Pupils remember him as a talented but kind teacher.