Thomas will step into the role of Andrew, one of the prospective bridegrooms, beginning Jan. 13.

The cast currently features Anthony J. Wilkinson, Gregg Baker, Eric Carpenter, Brett Douglas, Liz Gerecitano, Leah Gerstel, Randi Kaplan, Chad Kessler, Carla-Marie Mercun, Marissa Perry, Meagan Robar, Joe Scanio, Adam Shorsten, Billy Yoder and Adam Zelasko. Teresa A. Cicala directs.

My Big Gay Italian Wedding, according to press notes, is described as such: "Planning a wedding can be hell… or a hell of a lot of fun! Two handsome grooms, one overbearing Italian mother, a jealous ex-boyfriend, the wedding planner from Hell, and an assortment of kooky family and friends all gather together for Off-Broadway's newest laugh-out-loud comedy with a heart."

The production also features choreography by J. Austin Eyer, scenic design by Rob Santeramo, costume design by Philip Heckman, lighting design by Graham Kindred, choreography by J. Austin Eyer and original music and lyrics by David James Boyd.

In addition to his Broadway credits, Marty Thomas has toured Europe with the famed Harlem Gospel Singers and has has appeared on MTV, VH1, The Tony Awards, "The Tonight Show," "Good Morning America," "The Today Show," "The View" and "Talk Soup." He was also featured in the film "The Big Gay Musical." His music is available on iTunes and on his website www.martythomas.com.

St. Luke's Theatre is located at 308 West 46th Street. Tickets are $69.50, including $1.50 restoration fee, and are available through Telecharge.com or by phone at (212) 239-6200.

For more information visit www.BigGayItalianWedding.com.