Actress Christian Serratos, who played Angela in the Twilight movies, has been cast in The Walking Dead for its fourth season., which broke the news of Serratos' casting, says that she will play the "tough and beautiful" Rosita Espinosa.

The website says that Serratos will be a recurring character in season four with the option to become a series regular in season five.

In other Walking Dead news, the makers of the show are planning to have a spin-off series, focusing on other survivors of the zombie apocalypse, ready for 2015.

The Walking Dead continues on RTÉ Two tonight (Tuesday) at 9:50pm.