Season six of Showtime’s award-winning serial killer drama “Dexter” is set to premiere this Sunday, Oct. 2. This time out Dex will be facing off against a dangerous religious zealot (Edward James Olmos), a reformed killer (Mos Def), and Sgt. Angel Batista’s (David Zayas) hot tamale of a sister (Aimee Garcia).

Also on board this season are Colin Hanks (King Kong), Jordana Spiro (Trespass), Mariana Klaveno (“True Blood”), Molly Parker (“Swingtown”) , Josh Cooke (Quarantine 2: Terminal) , Billy Brown (Cloverfield) and Brea Grant (“Heroes”).

Get to know some of them in the following BTS clip: