Edward James Olmos has been cast as a religious studies professor in the sixth season of DEXTER, reports ComingSoon.net. Additionally, The Hollywood Reporter writes that LIGHTS OUT star Billy Brown has also signed on a Chicago cop who transfers to Miami where is no-nonsense attitude is not well received.

They join show regulars Michael C. Hall, Jennifer Carpenter, Desmond Harrington, C.S. Lee, Lauren Velez, David Zayas, and James Remar. The new season also includes Colin Hanks and Mos Def.