Question: Juliette Welfling won the Cesar Award for the 2012 French-Belgian film starring which two actors?
Context: Séraphine is a 2008 French-Belgian film directed by Martin Provost and written by Marc Abdelnour and Provost.  It stars Yolande Moreau as the French painter Séraphine Louis and Ulrich Tukur as Wilhelm Uhde.  It won the 2009 César Award for Best Film. Un couple épatant (English: "An Amazing Couple" ; also known as Trilogy: Two) is a 2002 French-Belgian film written and directed by Lucas Belvaux. Mark Lee Ping-bing (李屏賓; born August 8, 1954) is a Taiwanese cinematographer, photographer and author with over 70 films and 21 international awards to his credit including 2 Glory Of The Country Awards from the Government Information Office of Taiwan and the president of Taiwan's Light Of The Cinema Award.  Lee began his film career in 1977 and in 1985 he started his prolific collaboration with Taiwanese filmmaker Hou Hsiao-hsien.  Known best for his use of natural lighting utilizing real film and graceful camera movement, Lee received the Grand Technical Prize at the Cannes Film Festival in 2000 for "In the Mood for Love".  A member of the Academy of Motion Picture Arts and Sciences, Lee was honored with nominations by the American Society of Cinematographers for its 2014 First Annual Spotlight Award for Best Cinematography for his work on the 2012 film "Renoir" and by the French Academy of Cinema Arts for a Cesar Award for Best Cinematography in 2014 also for the film "Renoir". Tsilla Chelton (21 June 1919 – 15 July 2012) was a French actress of theatre and film, famous for playing the main role in 1990 film Tatie Danielle, in which she was nominated for a Cesar award and as an elderly Dominican in Soeur Sourire. Female Vampire is a 1975 French-Belgian film directed, written and co-edited by Jesús Franco.  It was made in 1973, but was only distributed two years later.  The film is set in Europe and stars actress Lina Romay as Irina von Karlstein, a vampire who has sex with both male and female victims.  In an unusual variation of the vampire myth, Karlstein performs oral sex on her victims until they die, draining them of their sexual fluids. Rust and Bone (French: De rouille et d'os ) is a 2012 French–Belgian romantic drama film directed by Jacques Audiard, starring Marion Cotillard and Matthias Schoenaerts, based on Craig Davidson's short story collection of the same name.  It tells the story of an unemployed 25-year-old man who falls in love with a woman who trains killer whales. Juliette Welfling is a French film editor.  She was nominated for the Academy Award for Film Editing for her work in the 2007 movie "The Diving Bell and the Butterfly".  She has received the César Award for Best Editing for her work on this film as well as for four Jacques Audiard films: "Regarde les hommes tomber" (1994), "The Beat That My Heart Skipped" (2005), "A Prophet" (2009), and "Rust and Bone" (2012). Approved for Adoption (French: "Couleur de peau: miel") is a 2012 French-Belgian animated film based on a comic by the Korean-Belgian comic strip artist Jung and directed by Laurent Boileau and Jung.  It was released on 6 June 2012 in France.  It received a Magritte Award nomination for Best Editing. Corinne Masiero (born 3 February 1964) is a French actress.  She was born in Douai.  She began acting in her late 20s, initially appearing in the theatre before moving on to the screen.  She is best known for her lead role in the 2011 film "Louise Wimmer", for which she was nominated for the Cesar Award for best actress.  She has also had notable roles in "Rust and Bone" and "11.6". Le Grand Soir (] ) is a 2012 French-Belgian comedy-drama film directed by Benoît Delépine and Gustave de Kervern.  The film competed in the Un Certain Regard section at the 2012 Cannes Film Festival where it won the Special Jury Prize.  It won the Magritte Award for Best Costume Design.
Answer: Marion Cotillard and Matthias Schoenaerts