DH
Filmography
| 2024 | Crisis on Infinite Earths: Redux · as Martian Manhunter |
| 2024 | The Agency (2024) (TV Series) · as Dalaga |
| 2024 | Arthur's Whisky · as Hal |
| 2024 | The Acolyte (TV Series) · as Senator Rayencourt |
| 2023 | Dickens: Phantoms and Fiction · as Presenter |
| 2023 | The Canterville Ghost · as Hiram Otis (voice) |
| 2023 | National Theatre Live: Best of Enemies · as William F. Buckley, Jr. |
| 2022 | Wendell & Wild · as Lane Klaxon (voice) |
| 2022 | Sherwood (2022) (TV Series) · as Denis Bottomley |
| 2021 | Young Vic: Best of Enemies · as William F. Buckley, Jr. |
| 2021 | The Abominable Snow Baby · as Narrator |
| 2021 | The Black Panthers of WW2 (TV Series) · as Narrator |
| 2020 | Crisis on Infinite Earths · as J'onn J'onzz |
| 2020 | Earth's Tropical Islands (TV Series) · as Narrator |
| 2018 | Parallel · as Mr. Parkes |
| 2017 | Tulip Fever · as Mr. Prater |
| 2017 | Madiba (TV Series) · as Walter Sisulu |
| 2016 | Superhero Fight Club 2.0 · as Martian Manhunter |
| 2016 | The Brothers Grimsby · as Black Gareth |
| 2016 | The Night Manager (TV Series) · as Joel Steadman |
| 2016 | DC's Legends of Tomorrow (TV Series) · as J'onn J'onzz / Martian Manhunter |
| 2016 | Beowulf: Return to the Shieldlands (TV Series) · as Scorann |
| 2015 | Supergirl (TV Series) · as J'onn J'onzz / Martian Manhunter |
| 2015 | |
| 2015 | Free in Deed · as Abe Wilkins |
| 2015 | MI-5 · as Francis Warrender |
| 2015 | The Man in the High Castle (TV Series) · as Equiano Hampton |
| 2014 | The Gospel of John · as Narrator (voice) – New International Version |
| 2014 | The Flash (2014) (TV Series) · as J'onn J'onzz / Martian Manhunter |
| 2014 | |
| 2014 | Selfie (TV Series) · as Sam Saperstein |
| 2013 | The Wrong Mans (TV Series) · as Surgeon |
| 2013 | By Any Means (TV Series) · as Napier |
| 2013 | Third Person · as Jake |
| 2012 | Arrow (TV Series) · as J'onn J'onzz / Martian Manhunter |
| 2012 | The Hot Potato · as Harrison |
| 2012 | The Man Inside · as Eugene Murdoch |
| 2012 | Playhouse Presents (TV Series) · as Victor |
| 2012 | Treasure Island (2012) (TV Series) · as Billy Bones |
| 2011 | Victim · as Mr. Ansah |
| 2011 | Homeland (TV Series) · as David Estes |
| 2011 | The Body Farm (TV Series) · as Tom Wilkes |
| 2011 | Frankenstein's Wedding... Live in Leeds · as The Creature |
| 2010 | Strike Back (TV Series) · as Colonel Tshuma |
| 2010 | Welcome to Lagos (TV Series) · as Narrator (voice) |
| 2010 | Mrs Mandela · as Nelson Mandela |
| 2009 | Gunrush · as Robbie |
| 2008 | Criminal Justice (TV Series) · as Freddie Graham |
| 2008 | The Fixer (TV Series) |
| 2008 | The Last Enemy (TV Series) · as Patrick Nye |
| 2008 | The Palace (TV Series) · as Major Simon Brooks |
| 2007 | The Shadow in the North · as Nicholas Bedwell |
| 2006 | The Ruby in the Smoke · as Matthew Bedwell |
| 2006 | Blood Diamond · as Captain Poison |
| 2006 | Robin Hood (TV Series) · as Tuck |
| 2006 | New Street Law (TV Series) |
| 2005 | Separate Lies · as Inspector Marshall |
| 2005 | Doctor Who (2005) (TV Series) · as Joshua Naismith |
| 2004 | The Merchant of Venice · as Prince Of Morocco |
| 2004 | Strings · as Erito (voice) |
| 2004 | Hustle (TV Series) · as Don Coleman |
| 2003 | New Tricks (TV Series) |
| 2002 | Celebrity Mastermind (TV Series) |
| 2001 | Babyfather (TV Series) · as Augustus 'gus' Pottinger |
| 2000 | Fat Friends (TV Series) · as Max Robertson |
| 1999 | Always And Everyone (TV Series) · as Dr. Mike Gregson |
| 1999 | The Vice (TV Series) · as D.i. Joe Robinson |
| 1998 | I Wonder Who's Kissing You Now · as Moses |
| 1997 | An Unsuitable Job for a Woman (TV Series) |
| 1997 | Cold Feet (TV Series) · as Police Sergeant |
| 1996 | Silent Witness (TV Series) · as Angus Stuart |
| 1996 | Ballykissangel (TV Series) · as Henry |
| 1995 | Mad Dogs and Englishmen · as Jessop |
| 1995 | Game On (TV Series) · as Paul 'the Rage' Johnson |
| 1995 | Hearts and Minds (TV Series) · as Trevor |
| 1995 | Kavanagh Q.C. (TV Series) · as David Adams |
| 1994 | Harry Enfield and Chums (TV Series) · as Jammy B |
| 1994 | Shades of Fear · as Steward |
| 1994 | |
| 1993 | The Hawk · as Sergeant Streete |
| 1993 | Harnessing Peacocks · as Terry |
| 1993 | Anna Lee: Headcase · as Stevie Johnson |
| 1992 | Crime Story (TV Series) · as Terrence Burke |
| 1991 | Murder Most Horrid (TV Series) · as Jonathon |
| 1991 | Performance (TV Series) · as Macduff |
| 1990 | Spatz (TV Series) · as Derek Puley |
| 1989 | Press Gang (TV Series) · as Doctor |
| 1987 | Dispatches (TV Series) · as Narrator |
| 1986 | Casualty (TV Series) · as Paul Grant |
| 1984 | The Bill (TV Series) |
| 1983 | Natural World (TV Series) · as Narrator |
| 1979 | Minder (TV Series) · as Vinny's Minder |
| 1964 | Horizon (TV Series) · as Narrator |