Patrick Duffy is an American actor best known for his role as Bobby Ewing on the long-running primetime soap opera Dallas. He played the character from 1978 to 1985 and again from 1991 to 1998, as well as in the 2012 revival series. Before his breakthrough on Dallas, he starred as the title character in the science fiction series Man from Atlantis. Duffy also gained significant popularity for his role as Frank Lambert on the sitcom Step by Step, which aired from 1991 to 1998. Throughout his career, he has appeared in numerous television movies and guest-starred on various popular programs. In addition to acting, he has directed several episodes of the shows he starred in, including Dallas and Step by Step. Duffy was born in Townsend, Montana, and attended the University of Washington, where he earned a degree in drama. He has been a prominent figure in American television for over four decades. Beyond his acting work, he is known for his long-standing marriage to the late ballet dancer Carlyn Rosser. He remains an active and respected member of the entertainment industry, frequently participating in fan conventions and reunions. His portrayal of the 'nice guy' Bobby Ewing remains one of the most iconic roles in television history.