Film:
* The King's Speech (2010): He played a minor role as a "Guest at Ball."
* The Woman in Black (2012): He portrayed a "Villager."
* The Dark Knight Rises (2012): He played a "Cop."
* The Imitation Game (2014): He had a role as a "Soldier."
* Kingsman: The Secret Service (2014): He played the "Head of Security."
* The Theory of Everything (2014): He played a "Student."
* The Martian (2015): He had a role as "Director of Mission Control."
Television:
* The Bill (1999-2010): He appeared in various episodes as various characters.
* Casualty (1986-present): He had guest roles in several episodes.
* Doctor Who (2005-present): He played "Gideon" in the episode "The Empty Child" (2005).
* EastEnders (1985-present): He appeared in a number of episodes.
* Holby City (1999-present): He played several roles in different episodes.
* Midsomer Murders (1997-present): He had roles in multiple episodes.
* The Crown (2016-present): He played "Lord Chamberlain" in several episodes.
This is not an exhaustive list, but it provides a good overview of his work in film and television. You can find more detailed information about his roles on his IMDB profile or other online movie databases.