Actor Kit Harington, who rose to fame playing the role of Jon Snow in popular TV series "Game of Thrones", will now feature in "Testament of Youth".
The 27-year-old will star with Alicia Vikander in the movie, which is the screen adaptation of an autobiography of a woman's experiences during World War I, reports hollywoodreporter.com.
David Heyman, who last produced "Gravity", is producing the movie that will be directed by James Kent.
Written by Vera Brittain and published in 1933, the autobiography tells how the author postponed her studies to serve as a nurse in the war during which she lost her fiance and brother.
Vikander is portraying Brittain and Harington will essay her fiance.
