James Callis

June 4, 1971 (age 55) London, England, UK

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.

His titles like Bridget Jones's Diary, Castlevania, and Bridget Jones's Baby - his biggest roles first.
Last updated: August 16, 2026

Watched: 0/27

Weighted avg: 6.41 /10

1

1

Bridget Jones's Diary

2001April 2001 by Sharon Maguire

Supporting as Tom

Supporting as Tom

6.30 Good--
2

2

Castlevania

2017–2021 by Warren Ellis

Starring as Adrian Tepes / Alucard (voice)

Starring as Adrian Tepes / Alucard (voice)

7.59 Excellent-
3

3

Bridget Jones's Baby

2016September 2016 by Sharon Maguire

Supporting as Tom

Supporting as Tom

5.94 Okay++
4

4

Bridget Jones: The Edge of Reason

2004November 2004 by Beeban Kidron

Minor role as Tom

Minor role as Tom

5.75 Okay+
5

5

Battlestar Galactica

2004–2009 by Glen A. Larson

Supporting as Gaius Baltar

Supporting as Gaius Baltar

7.52 Excellent-
6

6

Battlestar Galactica

2003 by Ronald D. Moore

Supporting as Gaius Baltar

Supporting as Gaius Baltar

7.48 Excellent-
7

7

Austenland

2013August 2013 by Jerusha Hess

Supporting as Colonel Andrews

Supporting as Colonel Andrews

5.89 Okay+
8

8

Bridget Jones: Mad About the Boy

2025February 2025 by Michael Morris

Minor role as Tom

Minor role as Tom

5.90 Okay++
9

9

Battlestar Galactica: Razor

2007November 2007 by Félix Alcalá

Minor role as Dr. Gaius Baltar

Minor role as Dr. Gaius Baltar

6.71 Good
10

10

Blood & Treasure

2019–2022 by Matthew Federman

Starring as Simon Hardwick

Starring as Simon Hardwick

5.76 Okay+
11

11

Helen of Troy

2003

Starring as King Menelaus of Sparta

Starring as King Menelaus of Sparta

5.35 Okay-
12

12

Narcopolis

2015September 2015 by Justin Trefgarne

Supporting as Todd Ambro

Supporting as Todd Ambro

4.86 Mediocre++
13

13

One Night with the King

2006October 2006 by Michael O. Sajbel

Supporting as Haman, the Agagite

Supporting as Haman, the Agagite

6.16 Good--
14

14

Merlin and the Book of Beasts

2009August 2009 by Warren P. Sonoda

Lead role as Merlin

Lead role as Merlin

5.31 Okay-
15

15

The Hollow

2016October 2016 by Miles Doleac

Starring as Vaughn Killinger

Starring as Vaughn Killinger

5.37 Okay-
16

16

Jason and the Argonauts

2000 by Nick Willing

Minor role as Aspyrtes

Minor role as Aspyrtes

5.62 Okay
17

17

Fallen

2024 by Lauren Kate

Minor role as Edward Van Lockwood

Minor role as Edward Van Lockwood

5.75 Okay+
18

18

Once Upon a Date

2017July 2017 by Lee Friedlander

Supporting as Ed Holland

Supporting as Ed Holland

6.00 Okay++
19

19

Gallipoli

2015

Supporting as Ellis Ashmead-Bartlett

Supporting as Ellis Ashmead-Bartlett

5.95 Okay++
20

20

Victoria & Albert

2001August 2001 by John Erman

Starring as Ernest

Starring as Ernest

6.26 Good--
21

21

House by the Lake

2017October 2017 by Adam Gierasch

Supporting as Scott

Supporting as Scott

5.56 Okay
22

22

Blood Moon

2016July 2016 by Kenneth Kokin

Starring

Starring

Needs more reviews
23

23

Break Even

2020December 2020 by Shane Stanley

Supporting as Zalman

Supporting as Zalman

Needs more reviews
24

24

Reuniting the Rubins

2011October 2011 by Yoav Factor

Starring as Danny Rubin

Starring as Danny Rubin

Needs more reviews
25

25

Dead Cool

2005September 2005 by David Cohen

Starring as Josh

Starring as Josh

Needs more reviews
26

26

Sex, Chips & Rock n' Roll

1999 by Debbie Horsfield

Supporting as The Wolf

Supporting as The Wolf

Needs more reviews
27

27

Victoria & Albert

2001 by John Goldsmith

Supporting

Supporting

Needs more reviews