Gangster No. 1 (pronounced Gangster Number One) is a 2000 British crime drama film directed by Paul McGuigan and starring Paul Bettany in the title role.
 It also features Malcolm McDowell, David Thewlis and Saffron Burrows.
 It is based on the play "Gangster No.1" by Louis Mellis and David Scinto.
War Horse is a 2011 British war drama film directed and co-produced by Steven Spielberg from a screenplay written by Lee Hall and Richard Curtis, adapted from English author Michael Morpurgo's 1982 novel of the same name.
 The film's cast includes Jeremy Irvine (in his film acting debut), Emily Watson, David Thewlis, Tom Hiddleston, Benedict Cumberbatch, Eddie Marsan, Niels Arestrup, Toby Kebbell, David Kross and Peter Mullan.
 Set before and during World War I, it tells of the journey of Joey, a bay Thoroughbred horse raised by British teenager Albert (Irvine), as he is bought by the British Army, leading him to encounter numerous individuals and owners throughout Europe, all the while experiencing the tragedies of the war happening around him.
David Thewlis (born David Wheeler; born 20 March 1963) is an English actor, director, screenwriter, and author.
 His most commercially successful role to date has been that of Remus Lupin in the "Harry Potter" film series.
 Other notable performances include the films "Naked" (for which he won the Best Actor award at Cannes Film Festival), "Dragonheart", "Kingdom of Heaven", "The Boy in the Striped Pyjamas", "The Theory of Everything", "Black Beauty", "Macbeth" (as King Duncan) and "Wonder Woman".
 He has also done voice work in the films "James and the Giant Peach" (1996), "The Miracle Maker" (2000), and "Anomalisa" (2015).
 Thewlis has combined major motion picture work with prominent television roles, including playing Cyrus Crabb in the television miniseries "Dinotopia" and antagonist V.M. Varga in the third season of "Fargo."
Lulu on the Bridge is a 1998 American romantic-mystery drama film written and directed by author Paul Auster and starring Harvey Keitel, Mira Sorvino, and Willem Dafoe.
 The film is about a jazz saxophone player whose life is transformed after being shot.
 After discovering a mysterious stone, he meets and falls in love with a beautiful aspiring actress, but their happiness is cut short by a series of strange, dreamlike events.
 The film was screened in the Un Certain Regard section at the 1998 Cannes Film Festival.
The Inner Life of Martin Frost is a 2007 American romantic-mystery drama film directed by Paul Auster and starring David Thewlis, Irène Jacob, and Michael Imperioli.
 Written by Paul Auster, the film is about an author who having just completed his fourth novel travels to his friends' vacant country house to spend a few weeks alone.
 There he meets a beautiful and mysterious woman who inspires him to write a new story.
 Filmed in Azenhas do Mar in Sintra, Portugal in the spring of 2006, "The Inner Life of Martin Frost" is Auster's fourth film as director and writer.
 The film premiered at the New Directors/New Films Festival on March 21, 2007, and was released in the United States on September 7, 2007.
Laurent Petitgand was born on September 28, 1959 in Laxou (Nancy), Meurthe-et-Moselle, Lorraine, France.
 He is a composer, songwriter, singer and actor, known for "The Salt of the Earth", "The Inner Life of Martin Frost" (2007), "A Trick of Light" (1996), "Beyond the Clouds", "Faraway, So Close!
" (1992), "Notebook on Cities and Clothes" (1989), "Wings of Desire" Zirkus Music (1987), "Tokyo-Ga" (1985).
Resurrected is a 1989 drama film directed by Paul Greengrass in his directorial debut, written by Martin Allen, and starring David Thewlis.
 It is based on the story of the British soldier Philip Williams, who is presumed dead and left behind in the Falklands but is accused of desertion when he reappears seven weeks after the Falklands War ends.
Naked is a 1993 British black comedy-drama film written and directed by Mike Leigh and starring David Thewlis as Johnny, a motor-mouthed intellectual and conspiracy theorist.
 Stark and brutal in tone, "Naked" was a departure for Leigh, whose previous works were known for their subtle comedic dissections of middle-class and working-class manners.
 Leigh's "Naked" screenplay relied heavily on lengthy improvisation during rehearsals, but little actual ad-libbing was filmed.
 Critically acclaimed, the film won a number of awards, including best director and best actor at Cannes.
 "Naked" marked a new career high for Leigh as a director and made the then-unknown Thewlis an internationally recognized star.
Veronika Decides to Die is a 2009 psychological drama film directed by Emily Young and starring Sarah Michelle Gellar, Jonathan Tucker, Melissa Leo, David Thewlis and Erika Christensen.
 The film is written by Larry Gross and Roberta Hanley and is adapted from the best-selling novel of the same name by Paulo Coelho.
The Late Hector Kipling is a novel written by English actor David Thewlis.
 The book was released in the UK in hardback on September 7, 2007 and released on paperback July 4, 2008.
 In the US the book was released (hardback version) November 6, 2007.

Question: The Inner Life of Martin Frost is a 2007 American romantic-mystery drama film directed by Paul Auster and starring David Thewlis, David Thewlis (born David Wheeler; born 20 March 1963) is an English actor, director, screenwriter, and what?
Answer: author