The guest-star hits -- Jennifer Aniston, Oprah Winfrey and now Salma Hayek -- keep coming for NBC's " 30 Rock."

The Emmy-winning comedy series has signed Hayek for a two-episode arc later this season. She'll be playing a character named Elisa, a new love interest for Alec Baldwin's Jack Donaghy.

"Salma is smart, funny and gorgeous," "30 Rock" creator-star Tina Fey says. "I think she'll be a great, strong presence opposite Jack Donaghy."

For her part, Hayek says she's "been a fan of Tina's talent, both as an actress and a writer, since working with her years ago on 'SNL.' I am so excited to be part of such an intelligent, funny show."

Hayek's guest role will be her first TV series appearance since she recurred on ABC's " Ugly Betty" -- of which she's also an executive producer -- in the 2006-07 season. She'll next appear on the big screen in "Cirque du Freak," which is scheduled for release next year.

The new season of "30 Rock" premieres Thursday, Oct. 30. "Will & Grace" Emmy winner Megan Mullally guest-stars in the premiere; Winfrey's guest spot is set for the following week, and Aniston will also appear later in the season. NBC hasn't set an airdate for Hayek's appearances.