Anthony Rock is an American actor, writer, and stand-up comedian. He is the younger brother of comedian Chris Rock. He is best known for playing Uncle Ryan on Everybody Hates Chris (2008–2009), and television producer Dirk Black on the UPN/The CW series All of Us (2003–2007). Rock also appeared in many films including What Goes Around Comes Around (2012) and Redemption of a Dog (2012). Rock was a co-star on CBS's comedy Living Biblically, co-starring with Jay Ferguson, Lindsey Kraft, Camryn Manheim, and Sara Gilbert.