Matt Lanter came aboard 90210 to close season one. He's become a fan favorite.
Added:
Matt Lanter came aboard 90210 about three-quarters of the way through its first season. He plays Liam on the series.
Added:
Matt Lanter joined the cast of 90210 near the end of season one. He plays Liam, your basic bad boy.
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90210 Quotes

It's not a mom and dad who are home eating bon bons. It's a couple who's f%$k!

Rob Estes

I am not the kind of girl who can wait until Christmas morning to unwrap her present.

Naomi