James Callis was born on June 4, 1971 in London, UK. He is a British actor.

After graduating from York in 1993, James gained a place at the renowned London Academy of Music & Dramatic Arts, from where he graduated in 1996.

Since then, he has appeared in various West End productions and television series as well as on radio. His West End debut in Old Wicked Songs alongside Bob Hoskins in 1996 even earned him the Jack Tinker Award for Most Promising Newcomer. James, who "believes in trying everything" has also been involved in projects on the other side of the camera, writing and directing.

His directional debut was Beginner's Luck, a co-production of his and Nick Cohen's Late Night Pictures and Angel Eye Film & TV, starring Julie Delpy, Steven Berkoff and Fenella Fielding. Beginner's Luck which was shown at the London Film Festival and in selected cinemas across the UK in 2002.

He appeared in Bridget Jones's Diary (2001), alongside Renee Zellweger & Hugh Grant, Beginner's Luck (2001) and Helen of Troy (2003).

In 2003, Callis landed the role of Dr. Gaius Baltar in the re-imagined Battlestar Galactica miniseries, and has continued the role in the regular series that followed.

His last credits include Bridget Jones: The Edge of Reason (2004) and One Night with the King (2006).

Filmography

• Battlestar Galactica: Razor (2007) (TV)
• "Battlestar Galactica" (53 episodes, 2004-2007)
• One Night with the King (2006)
• Dead Cool (2004)
• Bridget Jones: The Edge of Reason (2004)
• "Blue Dove" (2003) (mini) TV mini-series
• Battlestar Galactica (2003) (TV)
• Helen of Troy (2003) (TV)
• "Relic Hunter" (1 episode, 2002)
• Beginner's Luck (2001)
• Victoria & Albert (2001) (TV)
• Bridget Jones's Diary (2001)
• "As If" (1 episode, 2001)
• Jason and the Argonauts (2000) (TV)
• Arabian Nights (2000) (TV)
• "The Scarlet Pimpernel" (1 episode, 1999)
• "Sex, Chips & Rock n' Roll" (1999) (mini) TV mini-series
• Surety (1999)
• "Ruth Rendell Mysteries" (1 episode, 1998)
• "Heat of the Sun" (1998) (mini) TV mini-series
• "A Dance to the Music of Time" (1997) (mini) TV mini-series
• Weekend Bird (1997)
• "Soldier Soldier" (3 episodes, 1996)
• "Murder Most Horrid" (1 episode, 1996)