Welsh actor who starred on the television series Brothers & Sisters from 2006 until 2011 and went on to star on The Americans from 2013 until 2018. His film credits include The Post, Mowgli, and A Beautiful Day in the Neighborhood, among others.
He began his acting career in 1997, performing in a stage production of Cardiff East.
He became a close friend of fellow Welsh actor Ioan Gruffudd. The two lived together for over ten years. In 2013 he began dating his co-star, Keri Russell, and they welcomed a son in 2016.
In 2004, he starred in a production of William Shakespeare's Romeo and Juliet.