Cillian O'Sullivan
- Luogo di nascita:
- New York, USA:
 | Blue Moon (2025) |
 | The Lost Princess (2025) Alec Touati |
 | Misty Button (2019) James |
 | Maze (2017) Bobby |
 | Halo: Nightfall (2014) Christian Ramsey (uncredited) |
 | Uncle Bill's Barrel (2008) Tom Lynch |