 SPOILER: Many actors were able to reappear on the show, despite the  fact that their characters were killed off. Among those who reprised  their roles, once their characters were killed or murdered were Mark  Metcalf as The Master, Robia LaMorte who appeared several times  after the character of Jenny was killed, Azura Skye , Danny Strong ,  Lindsay Crouse and Kristine Sutherland . Darla played by Julie Benz  was killed during the first season yet not only did the character  appear in flashbacks, but she was also later resurrected from death  on the sister show _"Angel" _(1999).