According to Ausiello, the actor Chris Vance known from Prison Break, has received an role in much more episodes from fifth season of Dexter. He act recently in Mental to. In Dexter apparently he will interpret Cole’s role, his personal assistant, which is very meticulously and well trained of an  famous business man. Vance would be scheduled to appear in at least 3 episodes in series.

Another episodic appearances in the new season will be:  Julia Stiles, Peter Weller and Johnny Lee Miller.