Tom Cullen

Tom Cullen is a Welsh actor, producer, director, and writer. He was born on July 17, 1985 in Aberystwyth, Wales to an Irish father and an English mother. He spent his early years in Llandrindod Wells and moved to Cardiff at age 12, where he attended Llanishen High School. Before pursuing an acting career, Cullen was involved in music. He graduated from the Royal Welsh College of Music and Drama in 2009 with a First Class Honours degree in acting, after spending a year at the Central School of Speech and Drama in London.

Cullen is known for his roles as Anthony Foyle in the independent film Weekend (2011), as Viscount Gillingham in the television series Downton Abbey, and as Sir Landry in the historical drama series Knightfall. He also played Thomas Seymour in Becoming Elizabeth.

Cullen wrote, directed and co-produced the 2019 film Pink Wall starring Tatiana Maslany and Jay Duplass.

Known For

Credits

Cast Credits

Trespasses (2025)
Starring as Michael (4 episodes)
Ar y Ffin (2024)
Starring as Saint Pete (6 episodes)
  • Episode 1x06: Pennod 6 (Dec 29, 2024)
  • Episode 1x05: Pennod 5 (Dec 29, 2024)
  • Episode 1x04: Pennod 4 (Dec 29, 2024)
  • View 3 more
Insomnia (2024)
Starring as Robert Averill (6 episodes)
The Way (2024)
Starring as Jack Price
  • Episode 1x01: The War (Feb 19, 2024)
The Gold (2023)
Starring as John Palmer (12 episodes)
House of the Dragon (2022)
Guest starring as Ser Luthor Largent (4 episodes)
Becoming Elizabeth (2022)
Starring as Thomas Seymour (6 episodes)
Guest starring as Thomas Seymour
Invasion (2021)
Guest starring as Mr. Edwards (3 episodes)
Knightfall (2017)
Starring as Landry du Lauzon (18 episodes)
Gunpowder (2017)
Starring as Guy Fawkes (3 episodes)
Genius (2017)
Guest starring as Luc Simon (2 episodes)
Harlan Coben's The Five (2016)
Starring as Mark Wells (10 episodes)
The Trials of Jimmy Rose (2015)
Starring as Joe Rose (3 episodes)
Orphan Black (2013)
Guest starring as Leonard Sipp
World Without End (2012)
Starring as Wulfric (7 episodes)
  • Episode 1x08: Checkmate (Oct 23, 2012)
  • Episode 1x07: Queen (Oct 16, 2012)
  • Episode 1x06: Rook (Oct 9, 2012)
  • View 4 more
Black Mirror (2011)
Guest starring as Jonas
Downton Abbey (2010)
Starring as Anthony Foyle, Lord Gillingham (7 episodes)
Guest starring as Anthony Foyle, Lord Gillingham (5 episodes)
The Party ()
Starring as Ben Fitzmaurice
Try 30 days of free premium.