Question: Who wrote the film starring Mara the Lioness and directed by James Hill?

Context articles: Every Day's a Holiday (1965 film)
The Peking Medallion
Born Free
An Elephant Called Slowly
Girls on the Loose
Stars of Eger (1923 film)
The Man from O.R.G.Y.
The Kitchen (1961 film)
Mara the Lioness
The Golden Head

Every Day's a Holiday is a 1965 British musical comedy film directed by James Hill and starring John Leyton, Mike Sarne, Ron Moody, Grazina Frame, and Freddie and the Dreamers.
 Its plot involves a group of teenagers who take up jobs working in a seaside resort for the summer.
 It is also known as Seaside Swingers.
The Peking Medallion, also called The Corrupt Ones, is a 1967 crime film directed by James Hill and Frank Winterstein and starring Elke Sommer, Robert Stack, Nancy Kwan and Werner Peters.
 The film was a co-production between France, Italy and West Germany although it was shot in English.
 The films German-language title is Die Hölle von Macao .
Born Free is a 1966 British drama film starring Virginia McKenna and Bill Travers as Joy and George Adamson, a real-life couple who raised Elsa the Lioness, an orphaned lion cub, to adulthood, and released her into the wilderness of Kenya.
 The film was produced by Open Road Films Ltd. and Columbia Pictures.
 The screenplay, written by blacklisted Hollywood writer Lester Cole (under the pseudonym "Gerald L.C. Copley"), was based upon Joy Adamson's 1960 non-fiction book "Born Free".
 The film was directed by James Hill and produced by Sam Jaffe and Paul Radin.
 "Born Free", and its musical score by John Barry, won numerous awards.
An Elephant Called Slowly is a 1969 Morning Star Productions Ltd. feature film starring Bill Travers and Virginia McKenna as themselves in a story about the couple's real-life adventures with three young African elephants while house-sitting in Kenya.
 George Adamson (of "Born Free"), makes an appearance as himself.
 The soundtrack features several well-known musical numbers by Bert Kaempfert.
 The film was written by Travers and director James Hill, and has been released to VHS and DVD.
Girls on the Loose is a 1958 American film starring Mara Corday and directed by Paul Henreid.
 It was about an all-female gang.
Stars of Eger (Hungarian: Egri csillagok) is a 1923 Hungarian silent historical film directed by Pál Fejös and starring Mara Jankovszky, Zoltán Makláry and Ili K. Takács.
 It is an adaptation of the 1899 novel "Eclipse of the Crescent Moon" by Géza Gárdonyi.
 A second film adaptation was made in 1968.
The Man from O.R.G.Y. (also known as The Real Gone Girls) is a 1970 film starring Robert Walker Jr., Louisa Moritz, Slappy White, Lynne Carter and Steve Rossi.
 It was directed by British filmmaker James Hill.
 It was filmed in Puerto Rico and New York City, New York.
 The film is a comedy within the genres of espionage and sex.
The Kitchen is a 1961 black and white British drama film directed by James Hill and starring Carl Möhner, Mary Yeomans, Brian Phelan, Tom Bell, Eric Pohlmann and James Bolam.
 The film follows an ensemble of the staff in a cafe's kitchen during the course of one busy morning.
 The script is based on the 1957 stage play of the same name by Arnold Wesker.
 The film was produced by Sidney Cole for Act Films Ltd.
Mara the Lioness is an animal actor who appeared as Elsa in the 1966 movie "Born Free", based on the true story of Elsa the Lioness raised by George and Joy Adamson.
The Golden Head is a 1964 American-Hungarian comedy film directed by Richard Thorpe and James Hill and starring George Sanders, Buddy Hackett, Jess Conrad, Lorraine Power and Robert Coote.