 An American version under the same title aired on NBC from 1964 to 1965, also featuring Frost.Cast members included cartoonist Timothy Birdsall, political commentator Bernard Levin, and actors Lance Percival, who sang topical calypsos, many improvised to suggestions from the audience, Kenneth Cope, Roy Kinnear, Willie Rushton, Al Mancini, Robert Lang, David Kernan and Millicent Martin.The last two were also singers and the programme opened with a song – "That Was The Week That Was" – sung by Martin to Ron Grainer's theme tune and enumerating topics in the news.