LOS ANGELES (USA) – Actor Matt Damon is lending his voice to narrate a documentary on the cyclist Lance Armstrong. The Oscar-winning director Alex Gibney, plans to release the film next year, says the website of the Los Angeles Times.

The documentary focuses on the return of Lance Armstrong on the roads of the Tour de France in 2009, four years after his seventh and final victory at The Tour de France. The Texan, then aged 37, took 3rd place.

“Public opinion is divided on Lance Armstrong,” said Gibney. Some take him for a saint, who gives hope to many survivors and cancer patients. Others see a kind of hypocrisy and hypocrisy makes people crazy, especially if they use it to make money. ”

Gibney won an Oscar for best documentary in 2007 for “Taxi to the Dark Side,” a film about a taxi driver in Afghanistan, tortured to death in the U.S. base at Bagram in 2002. He also made documentaries on the vast financial scandal of the firm Enron, the legendary musician Jimi Hendrix and the deposed governor of New York Eliot Spitzer.

Gibney said he had chosen to use Damon to narrate his documentary because the latter is tipped to play the role of cycling great in a biopic, which may never emerge.

The film, which is produced by American producer Frank Marshall is indeed planned for six years.

Armstrong is currently in the midst of an investigation by federal authorities and U.S. Anti-Doping on the existence of doping practices in the early 2000s in the U.S. Postal team, with whom he won six of his seven victories in the Tour de France.

His former teammate Floyd Landis, winner forfeits the Tour 2006 for a positive drug test, had in May accus