The Angel of Death

With the help of his newfound friend Brother Sam, Dexter wonders if there is light within him to counter the darkness, while the search for the Doomsday Killers takes him in a new direction; Batista and Quinn pay a visit to the university where Professor Gellar taught; due to departmental regulations following the shooting, Debra is forced to begin therapy.

Aimee Garcia

Jamie Batista

Colin Hanks

Travis Marshall

Yasiin Bey

Brother Sam

Maree Cheatham

Docent

Steve Stapenhorst

Congenial Narrator

Luke Van Pelt

Guy One

Ivan Padilla

Nick

Mariana Klaveno

Carissa Porter

Edward James Olmos

Prof. James Gellar

Lacey Beeman

Holly Benson

Rya Kihlstedt

Dr. Michelle Ross

Billy Brown

Det. Mike Anderson