Rebecca Mader

Lost alum Rebecca Mader has landed at 30 Rock for one of the NBC comedy's final episodes, TVLine reports.

Mader, 35, will play some sort of "temptress." The actress was snapped filming with star Alec Baldwin on Thursday.

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Most recently, Mader has guest-starred on White Collar, Fringe and co-starred on the short-lived comedy Work It.

30 Rock announced Thursday that Liz Lemon will walk down the aisle in two weeks. This is the same episode in which Dean Winters, who played one of Liz's horrible exes, will return. Also, check out which other guest stars we'd like to see back.

The show airs Thursdays at 8/7c on NBC.