O'Connell, who will fill in for host Regis Philbin opposite Kelly Ripa, is returning for his fourth time co-hosting the live, national talk show, which he last co-hosted in January 2011.

On the Oct. 13 episode, guest appearances will include country superstar Taylor Swift and "American Idol" runner-up Lauren Alaina.

"Live with Regis and Kelly" is broadcast live in the New York metropolitan area weekdays at 9AM ET on WABC-TV and is syndicated nationwide (check local listings).

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Seminar will receive its world premiere on Broadway when performances begin Oct. 27, prior to an official opening set for Nov. 20, at the John Golden Theatre.

Directed by Obie Award winner Sam Gold (Circle Mirror Transformation, The Aliens, Tigers Be Still, Kin, The Coward), Seminar will star Tony Award nominee Alan Rickman (Private Lives, Les Liaisons Dangereuses) as a world-famous writer with power over young scribes in his class.

The cast also includes Tony nominee Lily Rabe (The Merchant of Venice), O’Connell, Hettienne Park and Hamish Linklater.

Seminar, according to the producers, is about “four young writers who are thrilled to be participating in a private seminar taught by the brilliant but unpredictable Leonard (Rickman), an international literary legend. But as Leonard deems some students more promising than others, tensions arise. Sex is used as a weapon, alliances are made and broken, and it’s not just the wordplay that turns vicious…”

For more information, visit www.SeminarOnBroadway.com.