Richard Dean Anderson is an American actor and producer, best known for his role as Jack O'Neill in the popular science fiction television series Stargate SG-1. Born on January 23, 1950, in Minneapolis, Minnesota, he gained fame in the 1980s as the lead character in the action-adventure series MacGyver, where he used his ingenuity to solve problems without weapons. In addition to his television work, Anderson has appeared in various films and made guest appearances on other shows. He is also known for his philanthropic efforts, supporting causes such as the Make-A-Wish Foundation and environmental conservation.