| movie | Disclosure Day (2026) | (Not seen) |
| tv | Lockerbie: A Search for Truth (2025)As Jim Swire(5 episodes) | (Not seen) |
| movie | Bridget Jones: Mad About the Boy (2025)As Mark Darcy | (Not seen) |
| movie | Rye Lane (2023)As Love Guac’tually Server (uncredited) | (Not seen) |
| tv | The Staircase (2022)As Michael Peterson(8 episodes) | (Not seen) |
| movie | Empire of Light (2022)As Mr. Ellis | (Not seen) |
| movie | Mothering Sunday (2021)As Mr Godfrey Niven | (Not seen) |
| movie | Operation Mincemeat (2021)As Ewen Montagu | (Not seen) |
| tv | How Do You Play? (2019) (AKA "놀면 뭐하니?")As Joseph Prince | (Not seen) |
| movie | 1917 (2019)As General Erinmore | (Not seen) |
| movie | Mary Poppins Returns (2018)As William "Weatherall" Wilkins / Wolf (voice) | (Not seen) |
| movie | Mamma Mia! Here We Go Again (2018)As Harry | (Not seen) |
| movie | Red Nose Day Actually (2017)As Jamie | (Not seen) |
| movie | Kingsman: The Golden Circle (2017)As Harry Hart | (Not seen) |
| movie | Bridget Jones's Baby (2016)As Mark | (Not seen) |
| movie | Genius (2016)As Max Perkins | (Not seen) |
| tv | The Expanse (2015)As Tom Birkin | (Not seen) |
| tv | The Tonight Show Starring Jimmy Fallon (2014)As Self - Guest(2 episodes) | (Not seen) |
| movie | Kingsman: The Secret Service (2014) (AKA "Kingsman")As Harry Hart / Galahad | (Not seen) |
| movie | Before I Go to Sleep (2014)As Ben Lucas | (Not seen) |
| movie | Magic in the Moonlight (2014)As Stanley Crawford | (Not seen) |
| movie | Devil's Knot (2013)As Ron Lax | (Not seen) |
| movie | The Railway Man (2013)As Eric | (Not seen) |
| movie | Arthur Newman (2012)As Arthur Newman | (Not seen) |
| movie | Gambit (2012) (AKA "Monet Game")As Harry Deane | (Not seen) |
| movie | Tinker Tailor Soldier Spy (2011)As Bill Haydon | (Not seen) |
| movie | The King's Speech (2010)As King George VI | (Not seen) |
| movie | A Single Man (2009) (AKA "Single Man")As George Falconer | (Not seen) |
| movie | A Christmas Carol (2009)As Fred (voice) | (Not seen) |
| movie | Dorian Gray (2009)As Lord Henry Wotton | (Not seen) |
| movie | The Accidental Husband (2008)As Richard Bratton | (Not seen) |
| movie | Mamma Mia! (2008) (AKA "Mamma Mia! The Movie")As Harry Bright | (Not seen) |
| movie | St. Trinian's (2007) (AKA "St Trinian's")As Geoffrey Thwaites | (Not seen) |
| movie | Then She Found Me (2007)As Frank | (Not seen) |
| movie | The Last Legion (2007)As Aurelius | (Not seen) |
| movie | Where the Truth Lies (2005)As Vince | (Not seen) |
| movie | Nanny McPhee (2005)As Mr. Brown | (Not seen) |
| movie | Bridget Jones: The Edge of Reason (2004)As Mark Fitzwilliam Darcy | (Not seen) |
| tv | The Ellen DeGeneres Show (2003)As Self(1 episode) | (Not seen) |
| movie | Hope Springs (2003)As Colin Ware | (Not seen) |
| movie | What a Girl Wants (2003) (AKA "Royal Seventeen")As Henry Dashwood | (Not seen) |
| movie | Girl with a Pearl Earring (2003)As Johannes Vermeer | (Not seen) |
| movie | Love Actually (2003) (AKA "Love Actually Is All Around")As Jamie Bennett | (Not seen) |
| movie | Conspiracy (2001)As Dr. Wilhelm Stuckart | (Not seen) |
| movie | Bridget Jones's Diary (2001)As Mark Fitzwilliam Darcy | (Not seen) |
| movie | Shakespeare in Love (1998)As Lord Wessex | (Not seen) |
| tv | The Daily Show (1996)As Self(5 episodes) | (Not seen) |
| movie | The English Patient (1996)As Geoffrey Clifton | (Not seen) |
| tv | Pride and Prejudice (1995)As Mr. Darcy(6 episodes) | (Not seen) |
| movie | The Advocate (1993) (AKA "The Hour of the Pig")As Richard Courtois | (Not seen) |
| movie | Wings of Fame (1990)As Brian Smith | (Not seen) |
| movie | Valmont (1989)As Valmont | (Not seen) |
| movie | Apartment Zero (1988)As Adrian LeDuc | (Not seen) |
| tv | Saturday Night Live (1975)As Self - Host(1 episode) | (Not seen) |