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James Callis profile photo

James Callis

Acting
June 4, 1971 (54 years old)
London, England, UK
Popularity: 2
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Biography

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.

Recent & Upcoming

Bridget Jones: Mad About the Boy movie poster (2025)
6.4

Bridget Jones: Mad About the Boy

Tom • Feb 2025

Known For

CSI: Crime Scene Investigation series poster (2000)
7.6
Trending

CSI: Crime Scene Investigation

John Merchiston

Midsomer Murders series poster (1997)
7.5
Trending

Midsomer Murders

Toby DeQuetteville

Arrow series poster (2012)
6.8
Trending

Arrow

The Dodger

Rick and Morty series poster (2013)
8.7
Classic

Rick and Morty

Pat Gueterman / Courier Flaps (voice)

MacGyver series poster (2016)
7.3

MacGyver

The Merchant / Clive

MacGyver series poster (2016)
7.3

MacGyver

Merchant

Numb3rs series poster (2005)
7.0

Numb3rs

Mason Duryea

Battlestar Galactica series poster (2004)
8.2
Gem

Battlestar Galactica

Gaius Baltar

Eureka series poster (2006)
7.7
Gem

Eureka

Dr. Trevor Grant

Merlin series poster (2008)
7.8
Gem

Merlin

Julius Borden

Slow Horses series poster (2022)
8.0
Gem

Slow Horses

Claude Whelan

Star Trek: Picard series poster (2020)
7.3

Star Trek: Picard

Maurice Picard

Filmography

2020s

Bridget Jones: Mad About the Boy movie poster (2025)
6.4

Bridget Jones: Mad About the Boy

Tom

The Bay House movie poster (2022)

The Bay House

Ryan Brooks

Break Even movie poster (2020)
5.4

Break Even

Zalman

2010s

All Cock and No Bull! movie poster (2019)
5.0

All Cock and No Bull!

Writer

House by the Lake movie poster (2017)
3.9

House by the Lake

Scott

Once Upon a Date movie poster (2017)
6.5

Once Upon a Date

Ed Holland

Bridget Jones's Baby movie poster (2016)
6.4

Bridget Jones's Baby

Tom

The Hollow movie poster (2016)
4.8

The Hollow

Vaughn Killinger

Blood Moon movie poster (2016)
2.4

Blood Moon

Narcopolis movie poster (2015)
4.7

Narcopolis

Todd Ambro

Austenland movie poster (2013)
6.4

Austenland

Colonel Andrews

17th Precinct movie poster (2011)
4.0

17th Precinct

John Bosson

Reuniting the Rubins movie poster (2011)
5.4

Reuniting the Rubins

Danny Rubin

2000s

Merlin and the Book of Beasts movie poster (2009)
4.5

Merlin and the Book of Beasts

Merlin

Podfather movie poster (2009)

Podfather

Self - Narrator (voice)

Battlestar Galactica: Razor movie poster (2007)
7.2

Battlestar Galactica: Razor

Dr. Gaius Baltar

One Night with the King movie poster (2006)
6.7

One Night with the King

Haman, the Agagite

Dead Cool movie poster (2005)
2.5

Dead Cool

Josh

Bridget Jones: The Edge of Reason movie poster (2004)
6.2

Bridget Jones: The Edge of Reason

Tom

Helen of Troy movie poster (2003)

Helen of Troy

King Menelaus of Sparta

Beginner's Luck movie poster (2002)

Beginner's Luck

Writer

Bridget Jones's Diary movie poster (2001)
6.7

Bridget Jones's Diary

Tom

Victoria & Albert movie poster (2001)
7.6

Victoria & Albert

Ernest