David Dastmalchian has joined the cast of “ Dexter: Resurrection ” as a guest star. Details about the “Late Night With the Devil” star’s role are unknown, other than his character’s name: Gareth.

Now David Dastmalchian has been cast as the guest role of Gareth in the revival series "Dexter: Resurrection." Read More: Sitcom Star Joins 'Dexter: Resurrection' as Possible Serial Killer At this point nothing more than Dastmalchian's character's first name is known,