Question: Who directed the 2008 film On War starring Asia Argento?

Context paragraphs:
On War (film): On War (French: De la guerre ) is a 2008 French comedy-drama film directed by Bertrand Bonello and starring Mathieu Amalric, Laurent Lucas, Guillaume Depardieu, Asia Argento, Michel Piccoli and Léa Seydoux.  It follows a man in the middle of an existential crisis as he gets drawn into a strange pleasure-obsessed cult.  The film's title loosely refers to the treatise "On War", by Carl von Clausewitz.

Asia Argento: Asia Argento [pronounced "ah-see-ah ar-jen-toe] (born Aria Maria Vittoria Rossa Argento; 20 September 1975) is an Italian actress, singer, model, and director.  Argento is best known for the role of Yelena in the action film "xXx", the first installment in the "xXx" franchise.

The Church (film): The Church (Italian title: La chiesa), also known as Cathedral of Demons or Demon Cathedral, is a 1989 Italian horror film directed by Michele Soavi.  It was produced by Dario Argento with Mario Cecchi Gori and Vittorio Cecchi Gori, and written by Argento, Soavi, Franco Ferrini, Dardano Sacchetti, Lamberto and Fabrizio Bava.  It stars Hugh Quarshie, Tomas Arana, Barbara Cupisti, Asia Argento, Feodor Chaliapin, Jr. and Giovanni Lombardo Radice.

Trauma (1993 film): Trauma is a 1993 Italian-American horror thriller film directed by Dario Argento and starring Asia Argento, Christopher Rydell, Piper Laurie, and Frederic Forrest.

The Mother of Tears: The Mother of Tears (Italian: "La Terza madre" , literally "The Third Mother") is a 2007 supernatural horror film written and directed by Dario Argento.  The film stars Asia Argento, Daria Nicolodi, Moran Atias, Udo Kier, and Coralina Cataldi-Tassoni.  The film has also been billed in English-speaking media as "Mater Lachrymarum", "The Third Mother" (English translation of the film's original Italian title), and "Mother of Tears: The Third Mother".  Written by Argento, Jace Anderson, Walter Fasano, Adam Gierasch and Simona Simonetti, the film is the concluding installment of Argento's supernatural horror trilogy "The Three Mothers", which began with "Suspiria" in 1977.  The film depicts the confrontation with the final "Mother" witch, known as Mater Lachrymarum.

The Heart Is Deceitful Above All Things: The Heart Is Deceitful Above All Things is a 2004 drama film co-written and directed by Asia Argento and starring Argento, Jimmy Bennett & Dylan and Cole Sprouse (with Jimmy, Dylan and Cole sharing the role as Jeremiah).  The screenplay by Argento and Alessandro Magania is based on JT LeRoy's novel of the same name.  The film received a limited theatrical release in North America on March 10, 2006.

Transylvania (film): Transylvania is a 2006 French drama film starring Asia Argento.  In 2006, Director Tony Gatlif and composer Delphine Mantoulet won the "Georges Delerue Prize" at the Flanders International Film Festival for the score, and Gatlif was nominated for the "Grand Prix" award.  "Transylvania" premiered at the 2006 Cannes Film Festival in France on May 28, and premiered in the United States on March 16, 2007 at the Cleveland International Film Festival and in the United Kingdom at the Cambridge Film Festival on July 6, 2007 (with a later theatrical release on August 10, 2007).

Islands (film): Islands (Italian: Isole) is an Italian drama film released in 2011, directed by Stefano Chiantini and starring Asia Argento.

Demons 2: Demons 2 (Italian: Dèmoni 2) is a 1986 Italian horror film directed by Lamberto Bava and co-written and produced by Dario Argento.  It is a sequel to Bava's 1985 film "Demons" and stars David Knight, Nancy Brilli, Coralina Cataldi Tassoni as well as Argento's youngest daughter, Asia Argento, in her debut film performance at age 10.  The film was also known as Demons 2: The Nightmare Returns.  The demons from the first film invade the real world through a television broadcast, turning the residents of an apartment building into bloodthirsty monsters.

Yuri Catania: Yuri Catania (born 1975) is an Italian photographer, director and creative director working in the fields of fashion and luxury.  He won the Cavallo di Leonardo for the direction of Best Fashion Movie of the year by Milan International Film Festival on April, 2014.  The movie was commissioned by Ermanno Scervino and starring Asia Argento.  He was selected by Praz-Delavallade to exhibit some fine art photos from the series New Yorker at ART IS HOPE, at Palais de Tokyo in Paris, on November, 2013.  He worked as a photographer with: Chiara Ferragni, Victoria Cabello, Asia Argento, Francesco Carrozzini, Kate Nauta, Renzo Rosso, Lindsey Wixson, , Rocky Mattioli, Dree Hemingway, Jessica Stam, Andreas Seppi, Fabio Fognini, Dylan Penn, Werner Schreyer, Sebastian Sauve, River Viiperi.  He worked for Fila, LaPerla, Rick Owens, Costume National, Ermanno Scervino, Avant Toi, Philipp Plein.

Supporting paragraphs: On War (film) Asia Argento
Answer: Bertrand Bonello