Barbour, the singing actor most recently on Broadway in A Tale of Two Cities, will offer The Holiday Concert at the famed Manhattan venue Dec. 20, 2008-Jan. 4, 2009. The evenings will feature "holiday classics and Broadway's greatest songs." Jeremy Roberts will be the musical director. Previously announced guest stars include Brandi Burkhardt (A Tale of Two Cities) on Dec. 20 at 8:30 PM and Derek Keeling (Grease) on Dec. 24 at 3 PM.

Show times are Dec. 20, 23, 26, 27, 30 and Jan. 1 and 2 at 8:30 PM and Dec. 21, 24, 28 and Jan. 4 at 3 PM.

James Barbour was most recently seen as Sydney Carton in A Tale of Two Cities. His other Broadway credits include Assassins, Urinetown, Jane Eyre, Beauty and the Beast, Carousel and Cyrano—The Musical. He has appeared in such films as "Eight Crazy Nights" and has guest-starred on such television shows as "Sex and the City" and "Ed."

After early pop success, Long Island native Deborah Gibson focused on the musical theatre, performing in the Broadway companies of Les Misérables, Grease!, Cabaret and Beauty and the Beast as well as the national tours of Joseph and the Amazing Technicolor Dreamcoat, Funny Girl and Cinderella. Gibson also appeared in the North Shore Music Theatre’s production of Chicago and opposite Betty Buckley in the Paper Mill mounting of Gypsy. She was seen on FOX-TV's "Skating with Celebrities" and in the film "Coffee Date."

Tickets are priced $25, $45, and $60; there is also a $25 food-drink minimum per person. Sardi's is located in Manhattan at 234 West 44th Street. For reservations call (212) 868-4444 or visit www.smarttix.com.