Question: What nationality was the actor, who was in Louise Wimmer and also was known for a 2004 romantic war film?

Context paragraphs:
A Very Long Engagement: A Very Long Engagement (French: "Un long dimanche de fiançailles" ) is a 2004 French romantic war film, co-written and directed by Jean-Pierre Jeunet and starring Audrey Tautou.  It is a fictional tale about a young woman's desperate search for her fiancé who might have been killed during World War I.  It was based on the novel of the same name, written by Sebastien Japrisot, first published in 1991.

Saturday Island: Saturday Island (also known as Island of Desire) is a 1952 British romantic war film directed by Stuart Heisler and starring Linda Darnell, Tab Hunter, Donald Gray and John Laurie, Lloyd Lamble and Peter Butterworth.

Louise Wimmer: Louise Wimmer is a 2012 French drama film directed by Cyril Mennegun.

Corinne Masiero: 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".

One Minute to Zero: One Minute to Zero (1952) is a romantic war film starring Robert Mitchum and Ann Blyth, set during the Korean War, and produced by Howard Hughes as the last film he fronted.  The film showcases the contributions of the U.S. Army and U.S Air Force, the South Korean Army, the United Nations, the British Army and the Royal Australian Air Force during the early days of the Korean War.  The effects of air power in the Korean War were also vividly depicted through the use of combat footage.

Lilac Time (1928 film): Lilac Time is a 1928 American silent romantic war film directed by George Fitzmaurice and starring Colleen Moore and Gary Cooper.  The film is about young American aviators fighting for Britain during World War I who are billeted in a field next to a farmhouse in France.  The daughter who lives on the farm meets one of the new aviators who is attracted to her.  As the flyers head off on a mission, the young aviator promises to return to her.

Cyril Mennegun: Cyril Mennegun (born 26 March 1975) is a French film director and screenwriter.  His film "Louise Wimmer" received the César Award for Best First Feature Film in 2013.

Ratha Thilagam: Ratha Thilagam is a 1963 Indian Tamil language romantic war film directed by Dada Mirasi.  The film features Sivaji Ganesan and Savitri in lead roles.  The film, produced by National Movies, had musical score by K. V. Mahadevan and was released on 14 September 1963.

Matha (film): Matha (Sinhalese: "මාතා" ) is a 2012 Sri Lankan Tamil romantic war film directed by Boodee Keerthisena and co-produced by Ruwan Jayasingha, Sanath Ranaweera and Vijaya Rathnayake.  It stars Darshan Dharmaraj and Yasodha Radhakrishnan in lead roles along with Thumindnu Dodantenna and Raja Ganeshan.  Music composed by Lakshman Joseph De Saram.  It is the 1244th Sri Lankan film in the Sinhala cinema.

Jérôme Kircher: Jérôme Kircher (born 21 November 1964) is a French actor known for "A Very Long Engagement" (2004), "Louise Wimmer" (2011) and "Café de Flore" (2011).

Supporting paragraphs: Jérôme Kircher A Very Long Engagement
Answer: French