Gary Cole is set to join HBO’s comedy “Entourage” as a regular next season, playing Hollywood agent Andrew Klein, Ari Gold’s (Jeremy Piven) oldest Hollywood friend from their early days in the business.
Cole is introducing the character this season in a three-episode arc slated to air in November.
“Entourage,” which is halfway though its fifth season, recently was picked up for a sixth season to begin production in early 2009 for a summer launch.
