Who played the male lead in Lone Scherfig's "One Day" from 2011?

Explanation

British actor Jim Sturgess spent a few years in television before making it on the big screen with the Beatles movie "Across The Universe" from 2007, where he played opposite Evan Rachel Wood. After that, he had a series of successful parts, e.g. in the drama "21" with Kevin Spacey, which was from 2008 and directed by Robert Luketic. He recently featured as a voice actor in the movie "Legend of the Guardians: The Owls of Ga'Hoole", and in 2011, he was directed by the Danish director Lone Scherfig in "One Day".