Despite claiming he was cut from the movie, Seth Green does appear in it, although it is just for three seconds, and for two of them he is seen from behind. He is the short red-haired vampire that gets kicked by Buffy outside the gym when a group of vampires, including him, are taunting her. You can recognize him by his haircut alone.
Screenwriter Joss Whedon was so frustrated by how much of his vision was being mishandled, and how much of it was being re-written, that he eventually left the set during production and never came back.
David Bowie, Mick Jagger, and Cary Elwes were set to make cameos as vampires, but these were cut due to time and budgetary constraints.
Ben Affleck played an opposing team's basketball player who gives the ball away to a vampire player.
Ricki Lake: A waitress in the scene where Buffy (Kristy Swanson) and Pike (Luke Perry) officially meet for the first time.