Nine Stories Productions is a New York-based film, theater and television production company founded by Jake Gyllenhaal and Riva Marker in 2015.
 Nine Stories has a first-look deal with Bold Films, the company behind "Whiplash, Drive," and "Nightcrawler", the latter of which Gyllenhaal starred in and produced.
 Gyllenhaal won an Independent Spirit Award for producing "Nightcrawler" and was an Executive Producer on David Ayer’s "End of Watch."
 Marker produced Cary Fukunaga’s critically acclaimed child soldier drama "Beasts of No Nation" and was an Executive Producer on Academy Award nominated "The Kids Are All Right."
Jake Gyllenhaal is an American actor who has appeared in over 35 motion pictures (including some yet to be released), three television programs, one commercial, and four music videos.
 He made his film debut in 1991 with a minor role in the comedy-drama "City Slickers".
 In 1993, he appeared in "A Dangerous Woman", a motion picture adaptation directed by Gyllenhaal's father Stephen Gyllenhaal and co-written by his mother Naomi Foner that was based on the novel of the same name by Mary McGarry Morris.
 In the following year, he portrayed Robin Williams' son in an episode of the police procedural television series ""; the episode was directed by his father.
 In 1999, Gyllenhaal starred in the Joe Johnston-directed drama "October Sky"; the film was received warmly by critics, and Gyllenhaal's portrayal of the NASA engineer Homer Hickam was praised.
Judah Lewis (born May 22, 2001) is an American child actor, known for roles in the films "Deliverance Creek" and "Demolition", and a recurring role in the 2016 television series "Game of Silence".
The 40th annual Toronto International Film Festival was held from 10 to 20 September 2015.
 On 28 July 2015 the first wave of films to be screened at the Festival was announced.
 Jean-Marc Vallée's "Demolition" starring Jake Gyllenhaal and Naomi Watts was the opening night film; "Mr. Right" by Paco Cabezas was the closing night film.
Demolition is a 2015 USA drama film directed by Jean-Marc Vallée and written by Bryan Sipe.
 The film stars Jake Gyllenhaal, Naomi Watts, Chris Cooper, and Judah Lewis.
 The film opened the 2015 Toronto International Film Festival and was theatrically released on April 8, 2016, by Fox Searchlight Pictures.
Margalit Ruth "Maggie" Gyllenhaal ( ; born November 16, 1977 in New York City) is an American actress.
 Part of the Gyllenhaal family, she is the daughter of filmmakers Stephen Gyllenhaal and Naomi Achs, and the older sister of actor Jake Gyllenhaal.
Jacob Benjamin Gyllenhaal ( ; born December 19, 1980) is an American actor.
 A member of the Gyllenhaal family and the son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting as a child with a screen debut in "City Slickers" (1991), followed by roles in "A Dangerous Woman" (1993) and "Homegrown" (1998).
 His breakthrough performance was as Homer Hickam in "October Sky" (1999) and he garnered an Independent Spirit Award nomination for Best Male Lead for playing the title character in the indie cult hit "Donnie Darko" (2001), in which he played a psychologically troubled teenager alongside his older sister, Maggie Gyllenhaal.
 He subsequently appeared in another indie film, "The Good Girl" (2002) and the climate fiction-disaster film "The Day After Tomorrow" (2004), portraying a student caught in a cataclysmic climate event.
Jarhead is a 2005 American biographical war drama film based on U.S. Marine Anthony Swofford's 2003 memoir of the same name, directed by Sam Mendes, starring Jake Gyllenhaal as Swofford with Jamie Foxx, Peter Sarsgaard and Chris Cooper.
 The title comes from the slang term used to refer to United States Marines.
October Sky is a 1999 American biographical film directed by Joe Johnston, starring Jake Gyllenhaal, Chris Cooper, Chris Owen, and Laura Dern.
 It is based on the true story of Homer H. Hickam, Jr., a coal miner's son who was inspired by the launch of "Sputnik 1" in 1957 to take up rocketry against his father's wishes and eventually became a NASA engineer.
While We're Young is a 2014 American comedy film written, produced, and directed by Noah Baumbach.
 The film stars Ben Stiller, Naomi Watts, Adam Driver, and Amanda Seyfried.
 It was screened in the Special Presentations section of the 2014 Toronto International Film Festival.
 The film centers on a New York-based documentary filmmaker and his wife (Ben Stiller and Naomi Watts, respectively), who begin hanging out with a couple in their 20s (Adam Driver and Amanda Seyfried).
 A24 Films released the film on March 27, 2015 and the film went on to gross more than all of Baumbach's previous films in the United States box office.

Question: What is the name of the American child actor that appeared alongside Jake Gyllenhaal, Naomi Watts, Chris Cooper, etc. in a 2015 USA drama film?
Answer: Judah Lewis