Groff and Gallagher Jr. were originally scheduled for the March 1 Chatterbox, but had to cancel their appearance due to a Spring rehearsal.

The weekly live talkfest, which includes interviews and performances from Broadway stars, is held at 6 PM at the New York cabaret Don't Tell Mama. There is a $10 donation and a two-drink minimum. The donation goes directly to Broadway Cares/Equity Fights AIDS, the nation's leading industry-based, not-for-profit AIDS fundraising and grant-making organization.

Jonathan Groff has also been seen on Broadway in In My Life. His other theatrical credits include productions of The Sound of Music, Fame, Bat Boy, Honk! and Godspell.

John Gallagher Jr. made his Broadway debut in Rabbit Hole. He has also been seen in stagings of Current Events, Kimberly Akimbo and the U.K. premiere of Fuddy Meers. Gallagher's screen credits include "The West Wing," "Law & Order," "NYPD Blue," "Ed," "Love Monkey" and "The Flamingo Rising."

Creator and host of Seth's Broadway Chatterbox, Seth Rudetsky has served as a pit pianist and/or conductor for such Broadway shows as 42nd Street, The Full Monty, The Phantom of the Opera, Mamma Mia! and The Producers. He also conceived the idea for the recent all-star The Best Little Whorehouse in Texas concert to benefit the Actors' Fund of America as well as the five previous benefit concerts, Hair, Chess, Funny Girl, On the Twentieth Century and Dreamgirls. Rudetsky was a member of the comedy writing team for "The Rosie O'Donnell Show" for two years, and his awards include the Duplex's Stars of Tomorrow, the Backstage Bistro and the Funniest Gay Male in New York. He was also the author and star of the recent one man, GLAAD nominated show Rhapsody in Seth, and his new tome — "The Q Guide to Broadway" — was published by Alyson Books. Rudetsky has been seen on "Law & Order" and "All My Children." Don't Tell Mama is located in New York City on West 46th Street, between Eighth and Ninth Avenues. Call (212) 757-0788 for reservations.