Television actor best known for his work on the television shows, Game of Thrones and Downton Abbey.
He won an award at the Berlin International Film Festival for his work in Silent Scream.
He starred alongside Meryl Streep in the film, The Iron Lady.
He trained at the Royal Academy of Dramatic Art prior to his debut, winning a Bancroft Gold Medal.
His older brother is theater and artistic director, Hamish Glen.
- The meaning of the name Glen: From The Wooded Valley