Question: Who starred in the 2006 film about the life struggles of Chris Gardner?

Context paragraphs:
End of an Era (comics): "End of an Era" is an American comic book story arc that was published by DC Comics, and presented in "Legion of Super-Heroes" vol.  4, #60-61, "Legionnaires" #17-18, and "Valor" #22-23 (August–September 1994).  It was written by Mark Waid, Tom McCraw and Kurt Busiek, with pencils by Stuart Immonen, Ron Boyd, Chris Gardner and Colleen Doran.  A tie-in to the "" miniseries, it is the final story arc in the Legion of Super-Heroes' original timeline, and marks the end of 36 years of unbroken Legion continuity.

Zonata: Zonata was a power metal band originating from Borås, Sweden.  They formed in 1998 and recorded 3 albums with label Century Media before calling a split up in 2003.  Their lyrics draw heavily on mythology and life struggles.  The band never made it big due to receiving very little recognition.  They are known by most for their heavy drums and cutting guitar riffs.

Fork and Spoon Records: Fork and Spoon is a Columbia, South Carolina based independent record label founded in 2010, by Jordan Blackmon, Chris Gardner and Aaron Graves.  They have released albums by artists including Coma Cinema, Can't Kids, and Those Lavender Whales.

Blood on the Highway: Blood on the Highway is an American comedy-horror film that was first released in March 2008 by BOH Productions.  The film premiered at the AFI Dallas Film Festival on March 28, 2008.  The film was directed by Barak Epstein and Blair Rowan and stars Deva George, Robin Gierhart, Nate Rubin, and features Nicholas Brendon (Buffy the Vampire Slayer) and Tom Towles (House of 1,000 Corpses, Henry: Portrait of a Serial Killer).  The screenplay to the film, is an homage/parody to horror films, was written by Chris Gardner and Blair Rowan.

The Pursuit of Happyness: The Pursuit of Happyness is a 2006 American biographical drama film based on entrepreneur Chris Gardner's nearly one-year struggle being homeless.  Directed by Gabriele Muccino, the film features Will Smith as Gardner, a homeless salesman.  Smith's son Jaden Smith co-stars, making his film debut as Gardner's son, Christopher Jr.

Chris Gardner (curler): Chris Gardner (born March 25, 1985 in Ottawa) is a Canadian curler who competes mainly in Ontario.

Mudiyanaya Puthran: Mudiyanaya Puthran is a 1961 Malayalam language film directed by Ramu Kariat.  It stars Sathyan, Ambika Sukumaran, Kottayam Chellappan, P. J. Antony, J. A. R. Anand, Miss Kumari, Adoor Bhavani, Kedamangalam Ali,PA Thomas, Kambisseri Karunakaran ,Thoppil Krishna Pillai and Adoor Bhasi.  It was the film adaptation of the popular stage play written by Thoppil Bhasi in 1957.  The film was shot at Vijaya and Vauhini Studios.  It is one of the best social movies in Malayalam, which told boldly the real life struggles of workers, projected social evils like untouchability etc.  It won the National Film Award for Best Feature Film in Malayalam.

Andrea Guerra (composer): Andrea Guerra is an Italian composer.  He is noted for his film scores of "Facing Windows" (2003), "Hotel Rwanda" (2004), and "The Pursuit of Happyness" (2006).

Just a Moment (song): "Just a Moment" is the third and last single from Nas' "Street's Disciple".  It features his protégé Quan and is produced by L.E.S..  Its lyrics ask for moments of silence for many people worldwide who are going through different life struggles, from victims of violence in the ghetto to soldiers in Iraq.

Gardner Rich &amp; Co: Gardner Rich & Co LLC is an FINRA-registered, private stock brokerage firm founded by Chris Gardner in 1987.  The firm is headquartered in Chicago, Illinois, with offices in New York City, and San Francisco.  It is an institutional brokerage firm that specializes in the execution of derivative product transactions, as well as debt and equity for public pension plans, institutions, and large unions.

Supporting paragraphs: Andrea Guerra (composer) The Pursuit of Happyness
Answer: Will Smith