David Kwaku Asamoah Gyasi (born January 2, 1980) is a British actor. He is best known for his roles in Cloud Atlas (2012) and Interstellar (2014). On television, he played the lead role of Lex Carnahan in The CW miniseries Containment (2016), Argeus in Carnival Row (2019 - 2023), and Foreign Secretary Austin Dennison in The Diplomat (2023 - present).

Filmography

• 2025Sycoraxe — Marlon, Co-Producer
• The Diplomat — Foreign Secretary Austin Dennison
• The Bastard Son & the Devil Himself — Marcus
• The Sandman — The Gray Cat (voice)
• 2021ear for eye — US Dad
• 2020Come Away — James Littleton / CJ
• Carnival Row — Agreus Astrayon
• 2019Cold Blood — Malcolm
• 2019Hell on the Border — Bass Reeves, Executive Producer
• 2019Maleficent: Mistress of Evil — Percival
• 2018Annihilation — Daniel
• 2018Hunter Killer — Cob Wallach
• 2018Pulsar — Jonah
• Troy: Fall of a City — Achilles
• Man in an Orange Shirt — Steve
• Containment — Alex 'Lex' Carnahan
• 2016Panic — Andrew Deeley
• The A Word — Ben Chambers
• 2014Interstellar — Romilly
• 2014One in Five — Executive Producer
• 2013The Whale — Richard Peterson
• 2012Cloud Atlas — Autua / Lester Rey / Duophsyte
• 2012Red Tails — Corporal
• 2012The Dark Knight Rises — Skinny Prisoner
• White Heat — Victor
• Demons — Physics Teacher
• Law & Order: UK — Lennie Gaines
• Murderland — Will
• Apparitions — Father Daniel
• 2007USS Constellation: Battling for Freedom — Lokua
• New Street Law — DI Farnsworth
• 2006Shoot the Messenger — Timothy
• 2006Shooting Dogs — François
• Torchwood — Hospital Patient
• 2005.357 — Kameron
• Doctor Who — Harvey
• Mike Bassett: Manager — Jeremy Hands
• Murder City — Reporter 2
• Sea of Souls — Lucas Hegarty
• The Brief — DS Kitson
• Coming Up — Marlon
• 2003What a Girl Wants — Ian's Band Member
• William and Mary — Policeman
• Waking the Dead — Charlie Ayanike
• Belonging
• Doctors — Joe Fisher, Sean Foster
• Holby City — Moses Abebe
• Dream Team — Marlon Baldon
• Silent Witness — DS Ian Cross
• Casualty — Bryce
• The Bill — Jason Fielding
• The Bard — George Moses Horton

Appearances as themselves (2)

• 2025What is an Ocean… Reconnecting the Cast and Crew of Cloud Atlas — Self - Interviewee
• 2015Inside 'Interstellar' — Self - 'Romillin'