written by Tony Marchant and Damian Wayling ; co-created by Tony Marchant ; directed by Ashley Pearce ; produced by Nick Pitt ; Twenty Twenty Productions Ltd. ; Shed Media Scotland ; BBC
Les Films d'ici and Pathé Télévision in co-production with Renn Productions ... [and others] ; screenplay and direction Patricio Guzmán ; a film produced by Yves Jeanneau ; translation, Sally Station
Columbia Pictures and Filmways present a Martin Ransohoff-Leslie Linder production ; screenplay by Clive Exton ; produced by Leslie Linder and Martin Ransohoff ; directed by Richard Fleischer
written by Tony Marchant and Damian Wayling ; co-created by Tony Marchant ; directed by Ashley Pearce ; produced by Nick Pitt ; Twenty Twenty productions Ltd. ; Shed Media Scotland ; BBC
Films for the Humanities & Sciences ; a Films of Record production for BBC ; executive producer, Roger Graef ; executive producer BBC, Louise Norman ; filmed, produced & directed by Ruhi Hamid