The production is adapted and directed by IRT artistic director Charlotte Moore.
First Look at Tony Winner John Cullum in A Child's Christmas in Wales
Performances are scheduled to run through Jan. 3, 2016, at the DR2 Theatre in Union Square.
The cast also includes Jacque Carnahan, Katie Fabel, Kenneth Quinney Francoeur and Ashley Robinson.
In A Child's Christmas in Wales, a snowy Christmas day is seen through the eyes of a child, featuring haunting ghost stories, frosted treats and puddings, and adventures in the city park.
The production has musical direction by Mark Hartman, costume design by David Toser and lighting design by Michael Gottlieb. The production stage manager is Pamela Brusoski, and the ASM is April Kline.
Tickets, priced $70, are on sale through the Irish Rep box office at (212) 727-2737 or online at Irishrep.org. The DR2 Theatre is located at 103 East 15th St. in Union Square.