Johnschneider_290 First he was killed off "Smallville," then off "Secret Life," but John Schneider rises once again.

The CW confirms to me exclusively that Schneider will play Liam (Matt Lanter)'s step-father on "90210," first appearing in episode two this fall.

Sources say Liam's step-daddy, a Beverly Hills plastic surgeon, is a bit of a jerk, whom Liam — as viewers first learned last season — does not get along with.

When Liam returns to BH after his summer stint in the "scared straight" program he was hauled off to during May's finale, he will clash with the doc once again.

But there's a bigger TV conflict here, seeing as how Schneider played a porn producer on "Nip/Tuck" who slept with Annalynne McCord (Naomi)'s character, Eden Lord.

Yes, another reason for Liam and the big guy to butt heads: They've bedded the same girl.

Well, sort of…

And just down the street from Beverly Hills, the drama gets even more scandalous as Schneider's "Nip/Tuck" co-star and porn-partner-in-crime, Kelly Carlson, has joined The CW's "Melrose Place" as a high-powered Hollywood Madame.

The network confirms Carlson is to play Wendi, whom insiders say will cross paths with Stephanie Jacobsen's med student-turned-hooker character, Lauren Yung.

Good casting, no?

"90210" returns September 8th at 8 p.m., followed by the debut of "Melrose Place" at 9.

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Posted by:Korbi Ghosh