Scott Andrew Caan (born August 23, 1976) is an American actor. He stars as Detective Sergeant Danny "Danno" Williams in the CBS television series Hawaii Five-0 (2010–present), for which he was nominated for a Golden Globe Award. Caan had a recurring role as manager Scott Lavin in the HBO television series Entourage (2009–2011). In the 1990s, he was a part of hip hop group The Whooliganz with The Alchemist. The duo went by the names Mad Skillz and Mudfoot, respectively.