Patrick Duffy is an American actor best known for his role as Bobby Ewing on the popular television series Dallas. He was born on March 17, 1949, in Townsend, Montana. Duffy's career began in theater before he transitioned to television, where he gained fame in the 1970s and 1980s. In addition to Dallas, Duffy starred in the sitcom Step by Step, which aired from 1991 to 1998. He has also worked as a director and producer, showcasing his versatility in the entertainment industry. Duffy remains a recognizable figure in television and continues to engage with fans through various projects.