Played Lt. Archie Hicox in Inglorious Basterds, Magneto in X-Men: First Class, and the scheming robot David in Prometheus.
He was first introduced to audiences on Tom Hank's Band of Brothers.
His dad is from Germany and his mom is from Northern Ireland; so that he was born in Germany but grew up in Kerry, south west Ireland.
He began dating Shame co-star, Nicole Beharie in 2012.
He played a supporting role in the action movie Haywire, which starred Gina Carano.