Theodore Peter James Kinnaird Taptiklis (born 16 December 1984), simply known as Theo James, is an English actor. He is known for portraying Jed Harper in "Bedlam", Walter William Clark, Jr. in the crime drama "Golden Boy" and as "Four", a military instructor, in the film adaptation of Veronica Roth's dystopian sci-fi novel, "Divergent".