Country of origin One Sheet movie poster Dad And Dave On Our Selection 1995 . This film is a remake of a silent film from 1920. Geoffrey Atherden would contribute to the screenplay. The film featured well-known actors like Ray Barrett , Geoffrey Rush and Barry Otto. "Dad" and "Mum" Rudd were played by veteran actor Leo McKern and opera singer Dame Joan Sutherland in her first feature film role. The theme music was sung by Australian country musician John Williamson.