Salma Hayek Heads to "30 Rock," More "Knight Rider"

Yet another guest star for 30 Rock.

Salma Hayek (Ugly Betty) has signed on to guest on the upcoming season of NBC's 30 Rock, where she will recur in several episodes as Elisa, a new love interest for Jack Donaghy (Alec Baldwin).

"Salma is truly a gifted talent and an incredible force in our industry," said Teri Weinberg, Executive Vice President, NBC Entertainment in a statement. "I've had the privilege of working with her and I can't wait to see what comedic sparks fly with our brilliant 30 Rock cast."

"I have been a fan of Tina's talent, both as an actress and a writer, since working with her years ago on SNL," said Hayek in a statement. "I am so excited to be part of such an intelligent, funny show, as well as working with the brilliant Alec Baldwin and the rest of the cast of 30 Rock," said Hayek.

30 Rock kicks off its third season on October 30th at 9:30 pm on NBC.

In other NBC-related news, the Peacock has ordered four additional scripts for freshman drama series Knight Rider.

Scarily, it's looking very likely that we'll be stuck with Knight Rider through the entire 2008-09 season. The series hasn't done particularly well in the ratings but has shown growth and stability with young men. Somewhere, Devon Miles in rolling over in his grave...