 | Waiting for Burton (2025) as Richard Burton (voice) |
 | Richard Burton: Wild Genius (2025) as Self/Narrator |
 | The Wingfeather Saga: The Journey Begins (2025) as The Florid Sword (voice) |
 | Hallow Road (2025) as Frank/The Kind Man (voice) |
 | Watchmen: Chapter II (2024) as Dan Dreiberg / Nite Owl / Sam Hollis / Max Shea / Michael Stephens / Prisoner #1 (voice) |
 | Saturday Night (2024) as George Carlin |
 | Watchmen: Chapter I (2024) as Dan Dreiberg / Nite Owl / Photographer #3 (voice) |
 | IF (2024) as Ghost (voice) |
 | Cocaine Bear (2023) as Andrew Thornton |
 | Inside High Noon Revisited (2022) as Narrator |
 | Seal Team (2021) as Grimes (voice) |
 | The Report (2019) as New York Times Reporter |
 | A Beautiful Day in the Neighborhood (2019) as Lloyd Vogel |
 | Walls of the World. N. Ireland (2019) as Narrator |
 | Mowgli: Legend of the Jungle (2018) as Lockwood |
 | The Post (2017) as Daniel Ellsberg |
 | Mr. Calzaghe (2015) as Self |
 | En mai, fais ce qu'il te plaît (2015) as Percy |
 | Burnt (2015) as Reece |
 | Under Milk Wood (2014) as New York Voice |
 | The Scapegoat (2012) as John / Johnny |
 | Luster (2010) as Joseph Miller |
 | Patagonia (2010) as Mateo |
 | Nadolig Plentyn Yng Nghymru (2008) as The Old Man (voice) |
 | The Edge of Love (2008) as Dylan Thomas |
 | Virgin Territory (2007) as Count Dzerzhinsky |
| | Brothers & Sisters: Family Album (2007) as Self/Kevin Walker |
 | Love and Other Disasters (2006) as Peter Simon |
 | Beau Brummell: This Charming Man (2006) as Lord Byron |
 | Frank Lloyd Wright: Murder, Myth and Modernism (2005) as Narrator |
 | Fakers (2004) |
 | Y Mabinogi (2003) as Lleu Llaw Gyffes (voice) |
 | Deathwatch (2002) as Cpl. Doc Fairweather |
 | The Abduction Club (2002) as James Strang |
| | Taliesin Jones (2002) as Jonathon |
 | Shooters (2002) as Eddie |
 | The Lost World (2001) as Edward Malone |
 | Very Annie Mary (2001) as Nob |
 | Tabloid (2001) as Darren Daniels |
 | Peaches (2000) as Frank |
 | Sorted (2000) as Carl |
 | Titus (1999) as Demetrius |
 | Greenstone (1999) as Sam Markham |
 | Heart (1999) as Sean McCardle |
| | Heart (1999) as Shaun McCardle |
 | Elizabeth (1998) as (uncredited) |
| | Bydd yn Wrol (1997) |
 | House of America (1997) as Boyo |
 | Heart of Darkness as (voice) |
