Tom Keir Blyth (born February 2, 1995) is an English actor from Birmingham. He had his first lead role in the film Scott and Sid (2018), and has since starred as Glen Byam Shaw in Benediction (2021) and Coriolanus Snow in The Hunger Games: The Ballad of Songbirds & Snakes (2023). On television, he has played the title role in the MGM+ series Billy the Kid (2022–present).
| Movie | A Farewell to Arms | Frederic Henry | 2027 |
| Movie | An Ideal Wife | 2027 | |
| Movie | Watch Dogs | 2027 | |
| Movie | Wasteman | Dee | 2026-02-20 |
| Movie | The Fence | Cal | 2026-04-08 |
| Movie | People We Meet on Vacation | Alex Nilsen | 2026-01-06 |
| Movie | Plainclothes | Lucas | 2025-01-26 |
| Movie | Bull Run | Bobby Sanders | 2025-11-14 |
| Movie | Predator or Prey: Making The Ballad of Songbirds & Snakes | Self (Coriolanus Snow) | 2024-02-13 |
| Movie | The Hunger Games: The Ballad of Songbirds & Snakes | Coriolanus Snow | 2023-11-15 |
| Series | The Gilded Age | Archie Baldwin | 2022-01-24 |
| Series | Billy the Kid | Billy The Kid | 2022-04-24 |
| Movie | Benediction | Glen Byam Shaw | 2021-12-23 |
| Series | The Kelly Clarkson Show | Self | 2019-09-09 |
| Movie | Scott and Sid | Sid | 2018-03-09 |
| Movie | Wash Club | Doug | 2016-11-05 |
| Series | The Late Show with Stephen Colbert | Self | 2015-09-08 |
| Series | The Tonight Show Starring Jimmy Fallon | Self - Guest | 2014-02-17 |
| Movie | Fibs | Will | 2014-11-07 |
| Movie | Robin Hood | Feral Child | 2010-05-12 |
| Series | Watch What Happens Live with Andy Cohen | Self - Guest | 2009-07-16 |