Seth Peterson is an American actor, best known for his roles as Robbie Hansen from 1999 until 2002 on the television series Providence and Nate Westen on Burn Notice from 2007 through 2012.
In addition to being a series regular on Providence, Peterson had the recurring role of Nate Westen, the brother of lead character Michael Westen, on Burn Notice. He had leading roles in independent features Sedona (2011) and Hate Crime (2005). Other roles include the Hallmark Entertainment Movie of the Week: Hard Ground (2003), in which Peterson co-starred as Burt Reynolds's son Joshua; Godzilla (1998) and Can't Hardly Wait (1998). Notable television guest star roles include such series as NCIS (2003) playing Thomas Pierce in Season 9's episode "Devil's Triangle", Charmed (2003) playing The Beast/Derek in Season 6's episode "Little Monsters", CSI: NY (2004) in the role of Henry Willens in Season 4's episode "Boo" and CSI: Crime Scene Investigation (2000) as Perry Haber in Season 7's "Burn Out" on CBS.