James Callis (born 4 June 1971) is a British actor. He is best known for playing Dr. Gaius Baltar in the re-imagined Battlestar Galactica miniseries and television series, and Bridget Jones' best friend in Bridget Jones's Diary and Bridget Jones: The Edge of Reason. He joined the cast of the TV Series Eureka, on Syfy, in 2010.
After a supernatural threat extends to Earth, the Justice League summons a team of supernatural heroes formed by John Constantine, Zatanna, Deadman, Etrigan and the Swamp Monster to end the attack that the League cannot handle alone.
