United Kingdom, Oct. 31 -- Diane Lane has revealed Tom Cruise chipped his own tooth while filming The Outsiders to prove his commitment to his role.

The 60-year-old actress, who appeared alongside Tom, 63, in Francis Ford Coppola's 1983 coming-of-age drama, recalled being impressed by the young actor's willingness to alter his appearance for authenticity.

Speaking to People, Diane said: "I just remember that story of Tom Cruise making sure that it was evident that his tooth was knocked out in the rumble, and I thought, 'That's impressive. That's commitment.'"

The Outsiders, adapted from S.E. Hinton's 1967 novel, followed Ponyboy Curtis -played by C. Thomas Howell - and his gang of working-class Greasers clashing with the wealthier Socs...