Question: In what episode was the character in "Buffy the Vampire Slayer" who was also portrayed by the actor who played John Hawkes in "Underground" introduced?
Sentence (from "Angel (Buffy the Vampire Slayer)"): However, their relationship is complicated by the fact that Angel is himself a vampire cursed with remorse and a human soul, which motivates him to assist Buffy in her duties as Slayer.
Relevant evidence: No