FAU is short for Firearms Analysis Unit.
The following actors were in other projects helmed by Shawn Ryan:
- David Marciano was in the The Shield (2002) which was set in the same city as SWAT, Los Angeles, and he worked alongside with Kenny Johnson . Incidentally, he is portraying a character who has the same name as his previous role, Detective Billings.
- Abby Brammell was in The Unit (2006)
- Patrick St. Esprit played an ex-cop in The Shield (2002)