The Truth About Jane and Sam (Chinese: 真心話; Simplified Chinese: 真心话) is a 1999 Hong Kong film co-produced by Hong Kong's Film Unlimited and Singapore's Raintree Pictures.
 Directed by Hong Kong director Derek Yee, the movie stars Singapore actress Fann Wong and Taiwanese male singer Peter Ho.
André Roanne (born André Albert Louis Rahou) (Paris, 22 September 1896 – Cannes, 4 September 1959) was a French actor.
 He began his career playing in short films, and acted in 91 films in total, most notably those of Fernandel.
 Most of his films were French; he did, however, also appear in German and Italian works, especially co-productions with French companies.
 He also served occasionally as an assistant director, screenwriter, technician, and film editor.
Triple Tap () is a 2010 Hong Kong action thriller film directed by Derek Yee and starring Louis Koo and Daniel Wu.
 This film is follow-up to the Derek Yee produced 2000 film "Double Tap" which starred Leslie Cheung and Alex Fong, the latter being only actor to reprise his role from the previous installment.
André Berthomieu (16 February 1903 – 10 April 1960) was a French screenwriter and film director.
 He was married to the actress Line Noro.
Mediacorp Raintree Pictures () is a film production company based in Singapore.
 The company, a division of Mediacorp Group, was established on 31 March 1996.
 The company occasionally ties up with other film companies to produce Asian or Western films.
 The company produced the Singaporean comedy, "" featuring the cross-dressing Jack Neo, which was an instant comedy hit in the republic.
 It financed a second film produced by Hong Kong's Film Unlimited, "The Truth About Jane and Sam", which was directed by Derek Yee, a respected director in the region.
 That film garnered a Best New Performer nomination at the 19th Hong Kong Film Awards for its lead actress, Singapore's Fann Wong.
Line Noro (22 February 1900 – 4 November 1985) was a French stage and film actress.
 During the 1930s she played glamorous, often exotic, women in films such as "Pépé le Moko".
 Between 1945 and 1966 Noro was a member of the Comédie Française.
 She was married to the film director  André Berthomieu.
People's Hero is a 1987 Hong Kong thriller film written and directed by Derek Yee and starring Ti Lung.
 The film was nominated for three Hong Kong Film Awards, where Tony Leung Chiu-wai and Elaine Jin won the Best Supporting Actor and Best Supporting Actress awards respectively, while Ronald Wong was nominated in the former category as well.
André Bonzel is a French film director, screenwriter and producer.
 He directed alongside Rémy Belvaux and Benoît Poelvoorde the 1992 black comedy film "Man Bites Dog", which was met with high praise from film critics and has soon become a cult film.
 It received the André Cavens Award for Best Film given by the Belgian Film Critics Association (UCC).
Derek Yee Tung-sing (), born in 1957, is a former Shaw Brothers actor from Hong Kong, currently a film director and screenwriter, who has achieved fame and respect in Hong Kong and international film festival circuits for treading carefully commercial viability concerns with artistic integrity.
 He is the younger half-brother of the Hong Kong actors Paul Chun and David Chiang, the latter is also a former Shaw Brothers star.
Michel-Antoine Carré or Michel Carré (fils) (7 February 1865, Paris – 11 August 1945, Paris) was a French actor, librettist, stage director and film director.
 He was the son of the librettist Michel Carré (1821–1872) and cousin of the theatre director Albert Carré (his father's nephew).
 His libretto for André Messager's 1894 opera "Mirette" was never performed in France but was later performed in an English adaptation in London at the Savoy Theatre.
 His notable films included the 1909 short "Ordre du roy".
 He also collaborated with André Barde on the libretto for Joseph Szulc's 1933 three-act operetta "Le Garçon de chez Prunier".

Question: Which film director and screenwriter, André Berthomieu or Derek Yee, was formally an actor?
Answer: Derek Yee