Doors will open at 4:15 PM for the 4:30 PM service; a reception will follow.
McCarty's former wife, Jane Seaman, is producing.
Theatre at St. Clement's is located at 423 W. 46th Street.
In Los Angeles, John Holly will host the "McCarty Party," also on Dec. 18, from 5 PM-8 PM at Marie Callender's Bar & Grill, 5773 Wilshire Blvd. at Museum Square.