Buffy the Vampire Slayer Denisof were followed later by Mercedes McNab (Harmony Kendall) and James Marsters (Spike). Several actors and actresses who played "Buffy" characters made guest appearances on "Angel", including Seth Green (Daniel "Oz" Osbourne), Sarah Michelle Gellar (Buffy Summers), Eliza Dushku (Faith), Tom Lenk (Andrew Wells), Alyson Hannigan (Willow Rosenberg), Julie Benz (Darla), Mark Metcalf (The Master), Julia Lee (Anne Steele) and Juliet Landau (Drusilla). Angel also continued to appear occasionally on "Buffy". The storyline has been continued in the comic book series "" published by IDW Publishing and later "Angel and Faith" published by Dark Horse Comics. Outside of the TV
Buffy the Vampire Slayer comics Horse Comics compiled select stories in comic books so that people could find them more easily. After the publication of these volumes, Buffy the Vampire Slayer Season Eight, Nine and Ten were released. Dark Horse Comics published many comic stories during the airing of the TV series. After the TV series came to an end, a new comic season was published by Joss Whedon, Buffy the Vampire Slayer Season Eight, as well as , a spin-off of this series. When Buffy the Vampire Slayer Season Eight was finished, Dark Horse Comics decided to publish a new comic season of Buffy.