Larry Hagman: Larry Hagman. Actor: Dallas. The son of a legendary actress (Mary Martin) and a district attorney, Larry Martin Hagman was born on September 21, 1931 in Fort Worth, Texas. After his parents' divorce, he moved to Los Angeles, California to live with his grandmother. When he was 12, his grandmother died and he moved back to his mother's place, who had remarried and was launching a Broadway career. After attending...