Born in South Amboy, New Jersey, Greg Evigan grew up in Sayreville. While in high school he won acclaim as Cornelius Hackl in Hello Dolly, which won the New Jersey High School Musical Contest. One month after graduating from Sayreville War Memorial High School in 1971, Greg auditioned for and won a part in the Broadway show "Jesus Christ Superstar." He also joined the cast of a touring company, playing the lead in the musical "Grease".Since the mid-1970s, he has amassed over 100 acting credits. His two most famous television roles were, B.J. and the Bear (1978) and My Two Dads (1987). Both series were initially successful but suffered sharp ratings declines and only lasted three seasons. Evigan sang the opening theme on both series. He is also known for TekWar (1994) and Masquerade (1983), which were both short-lived series.His three children are also in the entertainment industry. His daughters Briana Evigan and Vanessa Evigan are actresses and his son Jason Evigan is a singer/songwriter.