In 2002, Christian played Romeo in Liverpool Playhouse's production of Romeo and Juliet.
Christian attended the National Youth Music Theatre between 1990-1997.
Christian played Tom Marvolo Riddle in the 2002 film, Harry Potter and the Chamber of Secrets. He won the role despite being over the 15-17 year age limit.
In 2000, Christian graduated from the University of Cambridge with a degree in English from Clare College.
Christian is 5' 9".