Callum Blue Biography:

David James Callim Blue was born on August 19, 1977 in London, England. He is most known for his role in the 2004 movie The Princess Diaries 2: Royal Engagement. Prior to his claim to fame, Blue had already made appearances in several productions, both in the big and small screens. His television credits include The Bill, Doctors, Where the Heart Is, Dead Like Me and As If, while his film projects include In Love and War, Devil’s Gate and Young Blades. In 2005, he landed a guest role on the hit American series, Grey’s Anatomy and a year later, was cast in the role of "Charlie" in the movie, Caffeine. Now, Blue can be seen in the Showtime historical drama miniseries, The Tudors.

Anthony Knivert is played by Callum Blue in the show, The Tudors.

(Photo courtesy of Showtime)