Cerveris, who won the 2004 Tony for Best Featured Actor in a Musical, said he would remain with the show through the extension, taking a few days off only to perform Sunday in the Park With George with Audra McDonald and Patti LuPone at the Ravinia Festival in Chicago.
The Stephen Sondheim and John Weidman show, which netted some of the best reviews of the seasons, was to have ended its run at Studio 54 on July 4.