Gillian Hills (born 5 June 1944) is an actress and singer. Born in Cairo, Egypt her father was the teacher, traveller, author and adventurer Denis Hills and her mother was Dunia Lesmianowna, daughter of Polish poet Bolesław Leśmian. The Polish poet and author Jan Brzechwa was Leśmian's cousin and the poet Antoni Lange was Leśmian's uncle.
After leaving France she filmed the classic British film Beat Girl in 1960 the soundtrack for which was among John Barry's earliest. Her co-star on this being a young Adam Faith in his first film role and the British Board of Film Censors ordered cuts be made before they would give an X certificate.
In 1960 Gillian returned to France and signed to the French Barclay Records label releasing her first EP entitled "Allo Brigitte..ne coupez pas!" and in 1961 appeared at the prestigious Olympia Theatre in Paris on the bill with Johnny Hallyday. She remained with Barclay until 1964 having released both cover and original recordings. in 1965 she signed to the AZ record label run by the radio station Europe 1 and issued an EP which included a cover of the Zombies "Leave Me Be" and her self-penned "Rien N'Est Changé".
At the close of her recording career she returned to England and film, appearing in Michelangelo Antonioni's first English language film the 1966 classic Blow-Up starring David Hemmings. This was followed by the film version of the John Osborne play Inadmissible Evidence and the mystery romance Three. Gillian also starred in the classic 1969 adaptation of Alan Garner's novel The Owl Service, as Alison Bradley. Other film appearances followed most notably A Clockwork Orange,
In 1975 Hills decided it was time to stop making movies, and she moved to New York to work as an illustrator for various books and magazines.