Cillian O'Sullivan: movies and TV shows
Cillian O'Sullivan has 17 credits in the archive: 5 films and 12 TV series, from 2008 to 2025. Highest rated: Chicago P.D. (8.4/10).
Career timeline
2008 – 2025 · busiest year: 2008 (2 credits)
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Full filmography
| Year | Title | Role | Type | Rating | Age then |
|---|---|---|---|---|---|
| 2025 | Daredevil: Born Again | Devlin | TV | 8.2 | 35 |
| 2025 | The Lost Princess | Alec Touati | Film | 6.3 | 35 |
| 2024 | The Boy That Never Was | Dave Garrick | TV | 6.1 | 34 |
| 2023 | Then You Run | Orin | TV | 4.9 | 33 |
| 2022 | Star Trek: Strange New Worlds | Dr. Roger Korby | TV | 8.0 | 32 |
| 2022 | In From the Cold | Chauncey | TV | 6.7 | 32 |
| 2020 | FBI: Most Wanted | Scot Weitzen | TV | 7.6 | 30 |
| 2019 | Misty Button | James | Film | 5.2 | 29 |
| 2017 | Maze | Bobby | Film | 5.8 | 27 |
| 2016 | Bull | Nathan Alexander | TV | 7.1 | 26 |
| 2014 | Chicago P.D. | Shane Sullivan | TV | 8.4 | 24 |
| 2014 | Halo: Nightfall | Christian Ramsey (uncredited) | Film | 6.8 | 24 |
| 2013 | The Blacklist | Skip Sutherland | TV | 7.6 | 23 |
| 2013 | Vikings | Eirik | TV | 8.1 | 23 |
| 2012 | 6Degrees | Conor Martin | TV | — | 22 |
| 2008 | Seacht | Michael | TV | — | 18 |
| 2008 | Uncle Bill's Barrel | Tom Lynch | Film | — | 18 |