Sam John Troughton (born 21 March 1977) is an English actor who has made appearances in Robin Hood, Alien vs. Predator (2004), as Aleksandr Akimov in Chernobyl (2019), and as Mr. Wilder in the BBC comedy series The Outlaws (2021).

Early life
He is the son of actor David Troughton and the grandson of the second Doctor Who actor Patrick Troughton. His younger brothers are the former Warwickshire cricketer Jim Troughton, and actor William Troughton. Troughton attended Bridgetown Primary School in Stratford-upon-Avon and then Trinity Catholic School in Leamington Spa. He went on to study drama at the University of Hull, graduating in 1998.