Sonequa Martin-Green appeared on "The Walking Dead" on the mid-season finale as Tyreese's sister, Sasha. Little is known about Sasha and Tyreese's group on AMC's hit series and the same goes for her role on "Once Upon a Time."
The only thing that has been revealed is that Sonequa Martin-Green has been cast as Tamara and will be appearing on recurring episodes in the rest of season 2 and may also possibly be in season 3. Nothing else has been revealed about her character on the show.
The actress has been in plenty of television shows. Fans may recognize her from "Gossip Girl," "The Good Wife," "Army Wives" and "Law & Order: Criminal Intent."