Greenlit Productions, produced in association with Paddock Productions ; written by Anthony Horowitz and Michael Chaplin ; directed by Tristram Powell and Simon Langton
Metro-Goldwyn-Mayer presents Martin Ransohoff's production ; a Filmways picture ; screen play by Paddy Chayefsky ; produced by Martin Ransohoff ; directed by Arthur Hiller
ITV Studios ; series created by Jill Hyem and Lavinia Warner ; written by Jill Hyem ... [and others] ; directed by Bill Hays ; produced by Michael Chaplin