The Pursuit of Happyness is a American biographical drama film directed by Gabriele Muccino and starring Will Smith as Chris Gardner, a homeless salesman. Smiths son Jaden Smith co-stars, making his film debut as Gardners son, Christopher Jr. The screenplay by Steven Conrad is based on the Ver ms. In , San Francisco salesman Chris Gardner invests his entire life savings in portable bone-density scanners, which he demonstrates to doctors and pitches as a handy improvement over standard X-rays. The scanners play a Ver ms. DevelopmentChris Gardner realized his story had Hollywood potential after an overwhelming national response to an interview he did with in January . He published his autobiography on May , , and later became an Ver ms. Critical responseThe film was received generally positively by critics, with Will Smith receiving widespread acclaim for his performance. Film review site Rotten Tomatoes calculated a overall approval based on reviews, with Ver ms. The Pursuit of Happyness at AllMovie