• Supernatural: Check out the promo photo the CW just released of heiress Paris Hilton, who guests on this Thursday's episode of Supernatural as a demon who feeds on the disorienting power of celebrity.
• Parenthood: Gilmore Girl Lauren Graham might take over Maura Tierney's role on the NBC series Parenthood. Tierney departed the series to focus on her breast-cancer treatments.
• Bored to Death: Jason Schwartzman lives to solve another crime. HBO's slacker-noir detective comedy Bored to Death has been renewed for a second season.
• Melrose Place: The New York Post's PopWrap blog asserts that Ashlee Simpson can't act. Anyone care to challenge that thesis?
Want more celeb guest stars? Don't miss our TV Stunt Casting gallery!