The three-and-a-half hour special episode, celebrating 40 years of the comedy TV show, will air Feb. 15 at 8 PM.
Guest stars will also include Tony winner Billy Crystal (700 Sundays), Miley Cyrus, Tony nominee Alec Baldwin (A Streetcar Named Desire, Orphans), Academy Award winner Robert De Niro ("Goodfellas," "Meet the Parents"), Will Ferrell (You're Welcome America, "Old School"), Jimmy Fallon ("Fever Pitch"), Tina Fey ("30 Rock"), Jon Hamm ("Mad Men"), James Franco (Of Mice and Men), Tony nominee Tom Hanks (Lucky Guy), Paul Rudd (A Steady Rain) and Tony nominee Christopher Walken (A Behanding in Spokane), among others.
