Unbreakable is a 2000 American superhero thriller film written, produced, and directed by M. Night Shyamalan, and starring Bruce Willis and Samuel L. Jackson, alongside Robin Wright and Spencer Treat Clark.
 The movie is the first installment in a trilogy.
 In "Unbreakable", a security guard named David Dunn survives a horrific train crash.
 After the incident, with the help of a manipulative disabled comic book shop owner named Elijah Price, he learns that he possesses superhuman powers.
 As Dunn explores and reluctantly confronts his powers while trying to navigate a difficult family life, he begins to fight crime and learns the true nature of Elijah Price.
Die Hard with a Vengeance is a 1995 American action film and the third in the "Die Hard" film series.
 It was co-produced and directed by John McTiernan (who directed "Die Hard"), written by Jonathan Hensleigh, and stars Bruce Willis as New York City Police Department Lieutenant John McClane, Samuel L. Jackson as McClane's reluctant partner Zeus Carver, and Jeremy Irons as Simon Gruber.
 It was released on May 19, 1995, five years after "Die Hard 2", becoming the highest-grossing film at the worldwide box-office that year, but received mixed reviews.
 It was followed by "Live Free or Die Hard" and "A Good Day to Die Hard" in 2007 and 2013, respectively.
Sam Mercer is a producer of many Hollywood films, including several projects directed by M. Night Shyamalan such as "Signs", "Lady in the Water" and "Unbreakable", as well as other films like "Van Helsing" and "Things We Lost in the Fire".
 His career started during the early 1980s as a location manager and later advanced to a producer and executive producer.
 He also produced the M. Night Shyamalan films "The Happening" and "The Last Airbender".
Red is a 2010 American action comedy film inspired by the limited comic book series of the same name created by Warren Ellis and Cully Hamner and published by the DC Comics imprint Homage.
 The film stars Bruce Willis, Morgan Freeman, John Malkovich, Mary-Louise Parker, Helen Mirren and Karl Urban, with German film director Robert Schwentke directing a screenplay by Jon Hoeber and Erich Hoeber.
 In the film version, the title is derived from the designation of former CIA Agent Frank Moses (Bruce Willis), meaning "Retired, Extremely Dangerous".
A Good Day to Die Hard is a 2013 American action thriller film and the fifth installment in the "Die Hard" film series.
 The film was directed by John Moore and written by Skip Woods, and stars Bruce Willis as John McClane.
 The main plot finds McClane travelling to Russia to get his estranged son, Jack, an undercover CIA agent, out of prison.
 He is soon caught in the crossfire of a global terrorist plot.
 Alongside Willis, the film also stars Jai Courtney, Cole Hauser, Yuliya Snigir and Sebastian Koch as the film's villain.
The Sixth Sense is a 1999 American supernatural horror-thriller film written and directed by M. Night Shyamalan.
 The film tells the story of Cole Sear (Haley Joel Osment), a troubled, isolated boy who is able to see and talk to the dead, and an equally troubled child psychologist named Malcolm Crowe (Bruce Willis) who tries to help him.
 The film established Shyamalan as a writer and director, and introduced the cinema public to his traits, most notably his affinity for surprise endings.
Red is a series of American action comedy films inspired by the limited comic book series of the same name created by Warren Ellis and Cully Hamner, and published by the DC Comics imprint Homage.
 The film stars Bruce Willis, Morgan Freeman, John Malkovich, Mary-Louise Parker, Helen Mirren, and Karl Urban with German film director Robert Schwentke directing a screenplay by Jon Hoeber and Erich Hoeber.
The Fifth Element (French: Le Cinquième Élément ) is a 1997 English-language French science-fiction action film directed and co-written by Luc Besson.
 It stars Bruce Willis, Gary Oldman and Milla Jovovich.
 Primarily set in the 23rd century, the film's central plot involves the survival of planet Earth, which becomes the responsibility of Korben Dallas (Willis), a taxicab driver and former special forces major, after a young woman (Jovovich) falls into his cab.
 Dallas joins forces with her to recover four mystical stones essential for the defence of Earth against an impending attack.
Signs is a 2002 American science fiction horror film written and directed by M. Night Shyamalan and executive produced by Shyamalan, Frank Marshall, Kathleen Kennedy and Sam Mercer.
 A joint collective effort to commit to the film's production was made by Blinding Edge Pictures and The Kennedy/Marshall Company.
 It was commercially distributed by Touchstone Pictures theatrically, and by Touchstone Home Entertainment in home media format.
 Its story focuses on a former Episcopal priest named Graham Hess, played by Mel Gibson, who discovers a series of crop circles in his cornfield.
 Hess slowly discovers that the phenomena are a result of extraterrestrial life.
 It also stars Joaquin Phoenix, Rory Culkin, and Abigail Breslin.
 "Signs" explores faith, kinship, and extraterrestrials.
Color of Night is a 1994 American erotic mystery thriller film produced by Cinergi Pictures and released in the United States by Hollywood Pictures.
 Directed by Richard Rush, the film stars Bruce Willis and Jane March.

Question: Sam Mercer worked with director M. Night Shyamalan in which project that stars Bruce Willis and Samuel L. Jackson?
Answer: Unbreakable