Grammer and his fiancée, Kayte Walsh, will be married on the Longacre stage, according to Grammer's spokesperson.
The ceremony, according to the New York Post, will be officiated by Terry Lavell, who plays Mercedes, one of the Cagelles in the acclaimed revival. A reception will follow at the Plaza Hotel.
Five-time Emmy winner Kelsey Grammer received a Tony nomination for his performance in La Cage.