Actor best known for playing the character Lane Pryce in the acclaimed series Mad Men. He also portrayed Andy Warhol in I Shot Andy Warhol and played prominent roles in the films Sherlock Holmes: A Game of Shadows and The Poltergeist. In 2019, he'd begin starring in HBO's Chernobyl.
He appeared in The Last of the Mohicans as a British Lieutenant.
He was previously married to actress Emilia Fox. They divorced in 2010. In 2013, he married Allegra Riggio.
He was in the TV series Fringe alongside Anna Torv.