'Battlestar Galactica's Edward James Olmos Joins 'Dexter'
The Emmy and Golden Globe-winning actor will play "a brilliant, charismatic professor of religious studies." Olmos joins recently announced 'Off the Map' star Aimee Garcia, who will play Batista's younger sister and Dexter's new nanny. Colin Hanks will play a highly intelligent ancient artifacts expert who may be linked to a series of grisly murders while Mos Def will play the role of an ex-con still involved in his share of violence. Production on the upcoming season of 'Dexter' begins Wednesday in Los Angeles. The show's fifth season was its most-watched to date averaging over 5 million viewers a week, combining its airtime and on-demand audience. Edward James Olmos, best known for playing William Adama in 'Battlestar Galactica', has joined the cast of 'Dexter' for its sixth season.