Dimitri Leonidas (born 14 November 1987) is an English actor, best known for his roles in the films The Monuments Men, and Rosewater (both 2014) and the television series Riviera (2017–2020).

Leonidas was born on 14 November 1987 in Brent, London, the son of a Greek Cypriot father and an English mother.

[3] Leonidas first appeared in a film in 1997, as an extra in Charles Sturridge's FairyTale: A True Story.

In the following years, his works included the TV series Sinbad, a guest role in Doctor Who and the Spanish film Animals.

In 2023, he played the role of Hober Mallow in season two of the Apple TV+ science fiction series Foundation.