James Callis

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.

Career Overview

James Callis has 48 screen credits in a career dating back to 1997. Their work spans 2 cinematic universes — most prominently Bridget Jones with 4 titles. Signature works include Battlestar Galactica, Castlevania, Bridget Jones's Diary. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For: Acting
Gender: male
Known Credits: 48
Birth Date: 1971-06-04 00:00:00
Birth Place: London, England, UK

Known For

Associated Universes

Universe traveler — spans 2 universes

Bridget Jones (4 titles)
Battlestar Galactica (Reboot) Collection (1 titles)

Frequent Collaborators

Edward James Olmos (2 collaborations)
Mary McDonnell (2 collaborations)
Jamie Bamber (2 collaborations)
Katee Sackhoff (2 collaborations)
Tricia Helfer (2 collaborations)
Tahmoh Penikett (2 collaborations)
Grace Park (2 collaborations)
Michael Hogan (2 collaborations)
Aaron Douglas (2 collaborations)
Renée Zellweger (2 collaborations)

Credits

actors (43 credits)
- Bridget Jones: Mad About the Boy
  Tom
  
  actor
  
  actors
  
  2025
- Castlevania: Nocturne
  
  - A Line of Great Heroes (2025) ... Alucard (voice) actor actors
  
  - Grenadye Alaso (2025) ... Alucard (voice) actor actors
  
  - Ancestors (2025) ... Alucard (voice) actor actors
  
  - Into the Abyss (2025) ... Alucard (voice) actor actors
  
  - Monstrous Things (2025) ... Alucard (voice) actor actors
  
  2023
- The Bay House
  Ryan Brooks
  
  actor
  
  actors
  
  2022
- Slow Horses
  
  - Scars (2025) ... Claude Whelan actor actors
  
  - Circus (2025) ... Claude Whelan actor actors
  
  - Missiles (2025) ... Claude Whelan actor actors
  
  - Tall Tales (2025) ... Claude Whelan actor actors
  
  - Incommunicado (2025) ... Claude Whelan actor actors
  
  2022
- Break Even
  Zalman
  
  actor
  
  actors
  
  2020
- Star Trek: Picard
  
  - Hide and Seek (2022) ... Maurice Picard actor actors
  
  - Monsters (2022) ... The Psychiatrist / Maurice Picard actor actors
  
  2020
- House by the Lake
  Scott
  
  actor
  
  actors
  
  2017
- Castlevania
  Adrian Tepes / Alucard (voice)
  
  actor
  
  actors
  
  - It's Been a Strange Ride (2021) ... Adrian Tepes / Alucard (voice) actor actors
  
  - The Endings (2021) ... Adrian Tepes / Alucard (voice) actor actors
  
  - Death Magic (2021) ... Adrian Tepes / Alucard (voice) actor actors
  
  - The Great Work (2021) ... Adrian Tepes / Alucard (voice) actor actors
  
  - You Don't Deserve My Blood (2021) ... Adrian Tepes / Alucard (voice) actor actors
  
  2017
- Once Upon a Date
  Ed Holland
  
  actor
  
  actors
  
  2017
- The Hollow
  Vaughn Killinger
  
  actor
  
  actors
  
  2016
- Bridget Jones's Baby
  Tom
  
  actor
  
  actors
  
  2016
- Blood Moon
  
  actor
  
  actors
  
  2016
- MacGyver
  
  - Psy-Op + Cell + Merchant + Birds (2020) ... The Merchant / Clive actor actors
  
  - Soccer + Desi + Merchant + Titan (2020) ... Merchant actor actors
  
  2016
- Narcopolis
  Todd Ambro
  
  actor
  
  actors
  
  2015
- 12 Monkeys
  
  - The Beginning (2) (2018) ... Athan Cole actor actors
  
  - The Beginning (1) (2018) ... Athan Cole actor actors
  
  - Witness (2017) ... Athan Cole actor actors
  
  - Thief (2017) ... Athan Cole actor actors
  
  - Masks (2017) ... Athan Cole actor actors
  
  2015
- The Musketeers
  
  - The Queen's Diamonds (2016) ... Émile Bonnaire actor actors
  
  2014
- Austenland
  Colonel Andrews
  
  actor
  
  actors
  
  2013
- Rick and Morty
  
  - The Wedding Squanchers (2015) ... Pat Gueterman / Courier Flaps (voice) actor actors
  
  2013
- Key & Peele
  
  - High on Potenuse (2013) ... Shakespeare actor actors
  
  2012
- Arrow
  
  - Dodger (2013) ... The Dodger actor actors
  
  2012
- 17th Precinct
  John Bosson
  
  actor
  
  actors
  
  2011
- Reuniting the Rubins
  Danny Rubin
  
  actor
  
  actors
  
  2011
- Portlandia
  
  - One Moore Episode (2012) ... James Callis actor actors
  
  2011
- Podfather
  Self - Narrator (voice)
  
  actor
  
  actors
  
  2009
- Merlin and the Book of Beasts
  Merlin
  
  actor
  
  actors
  
  2009
- FlashForward
  
  - Future Shock (2010) ... Gabriel McDow actor actors
  
  - The Negotiation (2010) ... Gabriel McDow actor actors
  
  - Course Correction (2010) ... Gabriel McDow actor actors
  
  - Goodbye Yellow Brick Road (2010) ... Gabriel McDow actor actors
  
  - The Garden of Forking Paths (2010) ... Gabriel McDow actor actors
  
  2009
- Merlin
  
  - Aithusa (2011) ... Julius Borden actor actors
  
  2008
- Battlestar Galactica: Razor
  Dr. Gaius Baltar
  
  actor
  
  actors
  
  2007
- One Night with the King
  Haman, the Agagite
  
  actor
  
  actors
  
  2006
- Eureka
  
  - Just Another Day... (2012) ... Dr. Trevor Grant actor actors
  
  - I'll Be Seeing You (2010) ... Dr. Trevor Grant actor actors
  
  - The Ex-Files (2010) ... Dr. Trevor Grant actor actors
  
  - Stoned (2010) ... Dr. Trevor Grant actor actors
  
  - Momstrosity (2010) ... Dr. Trevor Grant actor actors
  
  2006
- Dead Cool
  Josh
  
  actor
  
  actors
  
  2005
- Numb3rs
  
  - Angels and Devils (2009) ... Mason Duryea actor actors
  
  2005
- Bridget Jones: The Edge of Reason
  Tom
  
  actor
  
  actors
  
  2004
- Battlestar Galactica
  Gaius Baltar
  
  actor
  
  actors
  
  - Daybreak (2) (2009) ... Gaius Baltar actor actors
  
  - Daybreak (1) (2009) ... Gaius Baltar actor actors
  
  - Islanded in a Stream of Stars (2009) ... Gaius Baltar actor actors
  
  - Someone to Watch Over Me (2009) ... Gaius Baltar actor actors
  
  - Deadlock (2009) ... Gaius Baltar actor actors
  
  2004
- Battlestar Galactica
  Gaius Baltar
  
  actor
  
  actors
  
  - Part 2 (2003) ... Gaius Baltar actor actors
  
  - Part 1 (2003) ... Gaius Baltar actor actors
  
  2003
- Helen of Troy
  King Menelaus of Sparta
  
  actor
  
  actors
  
  - Part 2 (2003) ... King Menelaus of Sparta actor actors
  
  - Part 1 (2003) ... King Menelaus of Sparta actor actors
  
  2003
- Helen of Troy
  King Menelaus of Sparta
  
  actor
  
  actors
  
  2003
- Victoria & Albert
  Ernest
  
  actor
  
  actors
  
  2001
- Bridget Jones's Diary
  Tom
  
  actor
  
  actors
  
  2001
- CSI: Crime Scene Investigation
  
  - Boston Brakes (2014) ... John Merchiston actor actors
  
  - The Devil and D.B. Russell (2013) ... John Merchiston actor actors
  
  - Skin in the Game (2013) ... John Merchiston actor actors
  
  2000
- Sex, Chips & Rock n' Roll
  
  actor
  
  actors
  
  1999
- Relic Hunter
  
  - Faux Fox (2002) ... Raoul actor actors
  
  1999
- Midsomer Murders
  
  - The Dark Rider (2012) ... Toby DeQuetteville actor actors
  
  1997
directing (1 credits)
- All Cock and No Bull!
  
  director
  
  directing
  
  2019
production (2 credits)
- All Cock and No Bull!
  
  executive producer
  
  production
  
  2019
- House by the Lake
  
  producer
  
  production
  
  2017
writing (2 credits)
- All Cock and No Bull!
  
  writer
  
  writing
  
  2019
- Beginner's Luck
  
  writer
  
  writing
  
  2002