Dimitri Leonidas is an English actor. He had his career beginnings as an extra in the 1997 film FairyTale: A True Story. He landed more roles in the 2000s, making his television debut as Josh Irving in Grange Hill, a role he played from 2001 to 2004. He later had guest roles in Casualty, The Bill, Holby City, and Doctors. Afterward, the actor also appeared in an episode of Banged Up Abroad. He then appeared in the 2009 film Tormented. He continued his career in the 2010s, during which he had roles in the movies Centurion and Animals. Leonidas went on to play the part of Sam Epstein in George Clooney’s The Monuments Men. He next had performances in the films Rosewater and Renegades. He also played Christos Clios in the TV series Riviera.