Jennifer Aniston will play a "free-spirited stalker" when she guest stars on "30 Rock" later this year.
The former "Friends" actress will star as Claire Harper - the crazed former roommate of Liz Lemon, creator Tina Fey's character - in the one-off episode for the hit U.S. TV show.
Tina, who is also the executive producer of the show, said: "Jennifer is not only incredibly lovely to have around, she also has what the young people would call 'mad skills.' We're very excited that she's joining us."
Teri Weinberg - the Executive Vice President of NBC Entertainment, which broadcasts "30 Rock" and also aired "Friends" - added: "What a thrill to have Jennifer back on NBC on a Thursday night. She is the perfect comedic talent to work with the Emmy award-winning '30 Rock' cast. This promises to be a memorable, hilarious night of comedy."
Jennifer's character Claire arrives in New York, where the show is set, and "attaches" herself to TV executive Jack Donaghy, who is played by Alec Baldwin.
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