James Callis

James Nicholas Callis (born 4 June 1971) is a British actor. He is known for playing Dr. Gaius Baltar in the re-imagined Battlestar Galactica miniseries and television series, and Bridget Jones's best friend Tom in Bridget Jones's Diary, Bridget Jones: The Edge of Reason, and Bridget Jones's Baby. He joined the cast of the TV series Eureka, on Syfy, in 2010, and in 2017, he voiced the character Alucard on the Netflix series Castlevania, based on the video game series of the same name. In 2022, he appeared in Season 2 of Star Trek: Picard as Jean-Luc’s father in childhood flashbacks.