Real-life lovebirds Charlize Theron and Stuart Townsend have joined the cast of John Duigan’s next film "Head in the Clouds", says Screen Daily. Set in 1930′s England, the Spanish Civil War and the last days of the occupation of Paris, the story follows a young Cambridge student (Townsend), whose world is changed forever by a passionate affair with a hedonistic photographer (Theron). Penelope Cruz plays Mia, a Spanish refugee, who shares their lives until events on the World stage threaten to separate them forever.