What actor had an HBO special in the Fall of 2006 called "Vicious Circle" and starred in the 1999 spy action-comedy film Simon Sez?
Simon Sez: Simon Sez is a 1999 spy action-comedy film starring Dennis Rodman, Dane Cook, and John Pinette. Dane Cook:  He performed an HBO special in the Fall of 2006, "Vicious Circle", a straight-to-DVD special titled "Rough Around The Edges" (which is included in the album of the same name), and a Comedy Central special in 2009 titled "Isolated Incident".
Dane Cook