VIDEO : Walking Dead Actress Joins Swamp Thing Cast

The Walking Dead veteran Jeryl Prescott has been cast in the role of Madame Xanadu in the upcoming Swamp Thing TV series for DC Universe. The series centers on CDC researcher Abby Arcane returns to her childhood home of Houma, Louisiana, in order to investigate a deadly swamp-borne virus, and develops a surprising bond with scientist Alec Holland ? only to have him tragically taken from her.