This list features pictures of a young Jack Nicholson, including childhood photos and pictures of Jack from his teenage years. In high school, Nicholson was a notorious class clown who was in detention every day during the school year. In 1974, Nicholson discovered that the woman he believed was his “sister” was in fact his mother, after a journalist working for “Time Magazine” revealed the truth about his family. Nicholson is most known for his darker roles, which often portray psychopathic or neurotic characters. He stepped into the spotlight after winning two Academy Awards for Best Actor in his performances in “One Flew Over the Cuckoo’s Nest” and the romantic comedy alongside Helen Hunt in “As Good As It Gets.” He has won six Golden Globe Awards during his career, and was one of the youngest stars to be the recipient of the American Film Institute's Life Achievement Award. He is definitely one of the most interesting actors in the industry, so enjoy viewing these pics of Jack Nicholson when he was young.