​   Seth Peterson (born August 16, 1970) is an American actor, best known for his role as Robbie Hansen from 1999 until 2002 on the television series Providence.

Peterson was born in The Bronx, New York, the son of Cheryl Peterson, a theatre founder and paralegal, and George Kanouse, a teacher. Peterson is currently playing the recurring role of Nathan Westen, the younger brother of the lead character, Michael Westen in Burn Notice (2007) on USA Network and had the lead role in the independent feature, 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).

Peterson is married to actress Kylee Cochran, has two children and lives in Los Angeles, California. The couple appeared together in the Burn Notice (2007) Season 3 episode, "Enemies Closer" where Peterson repised his role of Nate Westen and Kylee played a blackjack dealer, Ruth who Nate married after meeting her in Las Vegas. Peterson collects 1950s memorabilia, collects James Bond movies, loves King Kong, basketball, chess, swimming, guitar, and the Los Angeles Lakers. He also worked as a part time office temp and in a bank's Human Resources Dept. Seth Peterson, licensed under CC-BY-SA, full list of contributors on Wikipedia.