Christopher Masterson

Christopher Kennedy Masterson is an American actor known best for his role as Francis on Malcolm in the Middle. He is the younger brother of That 70s Show cast member Danny Masterson.

Masterson was born on Long Island, New York, the son of Carol, a manager, and Peter Masterson, an insurance agent. Masterson, like his brother Danny Masterson, is a follower of Scientology. The two have invested in restaurants together. He also has a halfsister, actress Alanna Masterson, and a halfbrother, actor Jordan Masterson.

Source: Wikipedia