Donald Douglas (born 7 March 1933) is a Scottish actor who has appeared in films and many well known television shows.

He was educated at Falkirk High School, Edinburgh College of Art and RADA.

[4] He starred in the original TV series of Poldark in 1975/6 as Malcolm McNeil, the army captain who frequently allowed his fondness for Demelza Poldark to obstruct his quest to arrest her husband.

[5] He is also remembered by cult TV fans for roles in Doctor Who, Blake's 7, and The Avengers.

[6][7] His TV career continued into the 1990s, playing Franklin Clarke in the 1992 Agatha Christie's Poirot movie The ABC Murders.