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 describe the fictional universe in which "Buffy" and related stories take place. The franchise has inspired "Buffy" action figures and merchandise such as official "Buffy/Angel" magazines and "Buffy" companion books. Eden Studios has published a "Buffy" role-playing game, while Score Entertainment has released a "Buffy" Collectible Card Game. The storyline was continued in a series of comic books produced by Joss Whedon and published by Dark Horse Comics, which serve as a canonical continuation of the television series. The series, which began in 2007 with "Buffy the Vampire Slayer Season Eight", followed by "Buffy the Vampire Slayer Season Nine" in