Marx Brothers made a guest appearance to introduce the "Tonight Show's" new host, Johnny Carson. Around 1960, the acclaimed director Billy Wilder considered writing and directing a new Marx Brothers film. Tentatively titled "A Day at the U.N.", it was to be a comedy of international intrigue set around the United Nations building in New York. Wilder had discussions with Groucho and Gummo, but the project was put on hold because of Harpo's ill-health and abandoned when Chico died in 1961. He was 74. Three years later, on September 28, 1964, Harpo died at the age of 75 of a heart attack
The Screen On The Green every Sunday. The Rex closed on 20 June 1970. The cinema re-opened on 13 September 1970 as The Screen On The Green after being purchased by Romaine Hart's Mainline Pictures Group. It was comprehensively refurbished and modernised in February 1981 to plans by architect Fletcher Priest, one of the main modifications being the creation of foyer space, something the original building never had. This reduced the seating capacity to 300. It was operated as part of the small independent Screen Cinemas circuit until 2008, when the circuit was sold to the Everyman Media Group. In December 2009 the cinema underwent