Jennie Garth (Kelly), Ian Ziering (Steve), Brian Austin Green (David) and Tori Spelling (Donna) are all main cast members of Beverly Hills 90210.
(reading Billy's screenplay)
Matt: I take it it's not a comedy.
Alison: Not intentionally.
Sandy: Who do you think you are, Mrs. Marcus Welby?
Jane: Marcus Welby was a widower.
Sandy: See? You might as well be dead.