John Randolph 'Jack' Webb, also known by the pen name John Randolph, was an American actor, television producer, director, and screenwriter, who is most famous for his role as Sergeant Joe Friday in the radio and television series Dragnet. He was also the founder of his own production company, Mark VII Limited. Born in Santa Monica, California, Webb grew up in the Bunker Hill section of Los Angeles as the child of a single mother after his father left home before he was born. During World War ...