Question: What famous movie series did the star of BBC's One Child play a supporting role in?
Context: Welcome to the Quiet Room ("Quiet room ni yôkoso" - クワイエットルームにようこそ) is a Japanese movie released in 2007 in Japan, directed by Suzuki Matsuo.  It is set in a psychiatric hospital.  The movie stars Yuki Uchida in the main role, and features two famous movie and anime directors in secondary roles: Hideaki Anno and Shinya Tsukamoto. Jennifer Ann Agutter {'1': ", '2': ", '3': 'OBE', '4': "} (born 20 December 1952) is a British actress.  She began her career as a child actress in 1964's "East of Sudan" and went on to appear in "Star! " and two adaptations of "The Railway Children"—the BBC's 1968 television adaptation and the 1970 film version.  She also starred in the critically acclaimed 1971 film "Walkabout", before moving to Hollywood in 1974.  Her Hollywood film roles included parts in "Logan's Run" (1976), "An American Werewolf in London" (1981) and "Child's Play 2" (1990).  Agutter won the Emmy Award for Outstanding Supporting Actress in a Drama for the 1971 TV film "The Snow Goose", and the BAFTA Award for Best Actress in a Supporting Role for playing Jill Mason in the 1977 film "Equus". Aneri Vajani (born 26 March 1993) is an Indian television actress.  She was born in Mumbai, Maharashtra, and belongs to Gujarati family.  She began her career with Star Plus's soap opera, Kaali - Ek Punar Avatar as Paakhi in supporting role, followed by Channel V India's youth show, Crazy Stupid Ishq as Shanaaya in a supporting role.  After that she appeared in Star Plus's show, Nisha Aur Uske Cousins as Nisha in lead role.  She also did two episodic roles, one as Arushi in Zing's anthology series, Pyaar Tune Kya Kiya (Season 7), and the other as Riddhi in Bindass's anthology series, Yeh Hai Aashiqui (Season 4).  Currently, she portrays Saanjh Mathur/saanjh Arjun sharma ,in Sony TV's romantic thriller drama, Beyhadh. Chan Ho-Nam (陳浩南/Andy Chan) is the protagonist of the Hong Kong Manhua series "古惑仔Teddyboy" which later was adapted into a film series titled "Young and Dangerous".  He was born in Macau on the 5th of December year 1968.  He is a part of the fictional Triad Gang "Hung Hing".  He is known as a Loyal, Powerful and Righteous member.  He was recruited at the age of 14 by "Gangster B" alongside his buddies Chicken, Dai Tin Yee, Pou Pei and Chou Pan.  Outside of the Comics, Chan-Ho Nam is among one of the few that is considered a popular Manhua hero.  Ekin Cheng played as Chan Ho-Nam in the movie series which he became popular for while Nicholas Tse at the age of 16 portrayed as a Younger version of Ho-Nam in the prequel.  Originally Andy Lau was supposed to play Chan-Ho Nam but later the role was given to Ekin Cheng.  In the films Ho-Nam's famous Dragon Tattoo is placed on his shoulder but originally in the comics it's placed on his back. Legends of the Dark King: A Fist of the North Star Story (Japanese: 天の覇王 北斗の拳 ラオウ外伝 , Hepburn: Ten no Haō: Hokuto no Ken: Raoh Gaiden , roughly translated as "The Conqueror of the Heavens: Fist of the North Star Raoh Side-Story") is a manga series by Youkow Osada that was serialized in the "Weekly Comic Bunch" from 2006 to 2007.  It is a spinoff of the manga series "Fist of the North Star" by Buronson and Tetsuo Hara.  The story centers on the "Fist of the North Star" antagonist Raoh and depicts his rise to power as the conqueror of a post-apocalyptic world prior to and during the events of the original work.  The story of "Legends of the Dark King" also incorporates elements introduced in the "" movie series, including Raoh's childhood friends of Reina and Souga, who help him establish his army. Katie Liu Leung (born 8 August 1987) is a Scottish film, television, and stage actress.  She played Cho Chang, the first love interest for lead character Harry Potter in the Harry Potter film series.  In 2012, Leung made her stage debut in the play "Wild Swans".  Leung has an interest in painting and photography and studied art and design at the University of the Arts, London. Anju Kurian is an Indian film actress, mainly acted in Malayalam films.  Best known for her role in the 2016 Malayalam film "Kavi Uddheshichathu".  She started her career through Malayalam film industry by doing a supporting role in the movie Neram which directed by Alphonse Puthren.  The followed year she played a supporting cast Ohm Shanthi Oshaana and became famous through the supporting role in the big hit movie Premam. Chhota Bheem & Ganesh is an Indian animated movie featuring Bheem, the star of the Indian television cartoon program Chhota Bheem, and Ganesh, the star of the program Bal Ganesh.  It was the second movie of the Chhota Bheem movie series.  Running time 22 mins. Naa Ashorkor Mensah-Doku (born November 24, 1988) is a Ghanaian Actress and Radio/ TV Broadcaster .  She's best known for starring in the "Perfect Picture (2009)," by Award Winning Director Shirley Frimpong-Manso and Iroko TV's "Poisoned Bait -" A Movie Series directed by Leila Djansi.  She won the Award for Best Actress in 2010 at the African Movie Academy awards for her role played in "The Perfect Picture".  Naa Ashorkor also starred alongside industry greats such as Yvonne Okoro, Joselyn Dumas, John Dumelo, Anima Misa Amoah and Adjetey Anang in "Adam's Apples" - an Award Winning Ghanaian Movie Series by Sparrow Productions that run from 2010 - 2013 One Child is a BBC drama series part of the BBC's China season, shown over three sixty minute episodes.  The series follows a girl called Mei Ashley (Katie Leung) who discovers that she has a brother, Li Jun (Sebastian So) that she never knew about and that he is due to be sentenced to death for a murder he did not commit.
Answer: Harry Potter