The play was called "The Fourposter". The Four Poster is a 1964 Australian television play based on the play "The Fourposter". It is an adaptation of Jan de Hartog's play "The Fourposter". The Fourposter is a 1951 play written by Jan de Hartog. Other stage credits included "The Fourposter", "Enter Laughing", and "Barefoot in the Park".