Question: Who stars with Samuel L. Jackson in a film about a former college football prodigy?

Context paragraphs:
Samuel L. Jackson filmography: Samuel L. Jackson is an American actor and film producer.  In 2009, the collective total of all box office receipts for films that Jackson has starred in (including minor roles and cameos) is the highest of any on-screen actor.  As of December 2015, Jackson appeared in over one hundred films with a worldwide box office gross of approximately $16 billion to date.  Jackson's film career started in 1972 with a role in the film "Together for Days".  Over the next nineteen years Jackson was cast in multiple films as minor characters up until his breakthrough role as Gator, a crack addict, in the 1991 Spike Lee film "Jungle Fever", for which he won a special jury prize for best supporting actor at the Cannes International Film Festival.

Shaft (2000 film): Shaft is a 2000 American action thriller film directed by John Singleton and starring Samuel L. Jackson, Vanessa L. Williams, Jeffrey Wright, Christian Bale, Dan Hedaya, Busta Rhymes, Toni Collette and Richard Roundtree.  This film is not a remake of the 1971 film of the same name, but rather a sequel, therefore making it a fourth installment.  Jackson's John Shaft character is the nephew of the original John Shaft.  The film received generally positive reviews and opened at the number one position at the box office when it debuted June 16, 2000.

David Dunn (character): David Dunn is a fictional character and the main protagonist in the "Unbreakable" film series, portrayed by American actor Bruce Willis.  Dunn is a former college football prodigy and presently a security guard who discovers he has superhuman abilities.

Lost Lettermen: Lost Lettermen is a sports weblog and database, which was launched by Jim Weber in March 2009.  It is dedicated to former college football and basketball players.  It regularly interviews former college stars such as Tee Martin, Charlie Ward, Ki-Jana Carter, Ed O'Bannon, Corliss Williamson and Mateen Cleaves.  It also has a database of 150,000 former college athletes to answer the question, "Where Are They Now?"

Terry Jackson (running back): Terrance Bernard Jackson (born January 10, 1976) is an American former college and professional football player who was a fullback, running back and special teams player in the National Football League (NFL) for seven seasons during the 1990s and 2000s.  Jackson played college football for the University of Florida, and was a member of a national championship team.  Thereafter, he played professionally for the San Francisco 49ers of the NFL.  Jackson is now a college football administrator at his alma mater.

Chad Jackson: Chad Wolfegang Jackson (born March 6, 1985) is an American former college and professional football player who was a wide receiver in the National Football League (NFL) for three seasons.  He played college football for the University of Florida.  Jackson was drafted by the New England Patriots of the National Football League (NFL) in the second round of the 2006 NFL Draft, and also played for the Denver Broncos of the NFL, and the Omaha Nighthawks of the United Football League (UFL).

Samuel Ransom: Samuel L. "Sammie" Ransom (born 1883 and died 1970) was an African American high school, college, and professional athlete for several sports.  He played professional football, baseball, and later coached college football.  Some researchers believe he is the first African American to play college basketball.

Unbreakable (film): 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.

Jack Youngblood: Herbert Jackson Youngblood III (born January 26, 1950) is an American former college and professional football player who was a defensive end for the Los Angeles Rams of the National Football League (NFL) for fourteen seasons during the 1970s and 1980s.  He was a five-time consensus All-Pro and a seven-time Pro Bowl selection and was inducted to the Pro Football Hall of Fame.  Before playing professionally, Youngblood played college football for the University of Florida, and was recognized as an All-American.  He is considered among the best players Florida ever produced—a member of the College Football Hall of Fame and one of only five Florida Gators to be named to the Gator Football Ring of Honor.

Jack Jackson (American football): Elliott Cornelius Jackson, Jr. (born November 11, 1972), nicknamed Jack Jackson, is an American former college and professional football player who was a wide receiver for four seasons in the National Football League (NFL) and Arena Football League (AFL).  Jackson played college football for the University of Florida, and earned All-American honors.  Thereafter, he played professionally for the Chicago Bears of the NFL, and also the Orlando Predators, Carolina Cobras and Florida Bobcats of the AFL.

Supporting paragraphs: David Dunn (character) Unbreakable (film)
Answer: starring Bruce Willis