Callum Robilliard Turner is a British actor. After beginning a career as a fashion model, he began working in film and television. He had lead roles in the drama film Queen and Country (2014) and the mystery miniseries Glue (2014), and played Theseus, the brother of Newt Scamander, in the fantasy films Fantastic Beasts: The Crimes of Grindelwald (2018) and Fantastic Beasts: The Secrets of Dumbledore (2022).

Queen and Country is a 2014 British drama film written and directed by John Boorman. It was screened at the Directors' Fortnight section of the 2014 Cannes Film Festival. The film is a sequel to Boorman's Hope and Glory (1987), and features several of the same characters, although, because of the passage of time, David Hayman is the only actor from the first film to reprise his role.