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