Oz is Willow's boyfriend. He started on the show by being one of the band members that plays at the Bronze. He had gone to Buffy's surprise party to be the one who was surprised. He saw Buffy kill a vampire! He was cool about it and has been helping the gang since. During the second season however, Oz was bitten by a werewolf and now turns into one around every full moon. He and Willow are still dating even after the incident of him catching Willow and Xander making out.
A veteran of film and stage, Seth Green has been acting professionally since age six. By the time he was twelve, he had a leading role in the Woody Allen's feature film "Radio Days." Since then he has starred in numerous television and film projects, including "Austin Powers:International Man of Mystery", "the X-Files","Stephen King's It." and "Idle Hands"
Green began his role as Oz on "Buffy the Vampire Slayer" in 1997. Joss Whedon, the show's creator told green, "Oz would have the same reaction to spray cheese as to true love," says Green. "Oz is unflappable and I love being the guitar player on TV, I'm living out my rock and roll fantasy." Four episodes turned into five, then eight, and now it's endless. "The show is so fun and quirky but there's a lot of heart to it, that's what's so appealing," describes Green. "It's smart, scary, and funny." As for playing a werewolf Green says, "They take their monsters pretty seriously without the show taking itself too seriously." And the transformation? "It takes a lot of time and it's really difficult to stand still," says Green. "It starts at 11:30am until 4:30pm They have to hand lay all of the hair on me, but the make-up artists there are so great, so sweet and considerate. They make it as painless as possible and the end result is worth the effect." What does Green do when he's not starring in films and on television? "I read a ton of magazines, I play pool, I love to see any movie that's out, good or bad. The one bad thing about working," laments Green, "you can't watch all the movies."