Sean Harmon Filmography
| 2019 | Hold On · as Mac |
| 2015 | The Fits · as Karisma's Dad |
| 2012 | Lauren (TV Series) · as Romero |
| 2012 | Major Crimes (TV Series) · as Felix Koster |
| 2009 | NCIS: Los Angeles (TV Series) · as Charlie Connor |
| 2004 | CSI: NY (TV Series) · as Ethan Grohl |
| 2003 | NCIS (TV Series) · as Young Leroy Jethro Gibbs |
| 2024 | NCIS: Origins (TV Series) · as Executive Producer |
| 1981 | Entertainment Tonight (TV Series) · as Self |
| 1978 | heute journal (TV Series) · as Self |