Fred Williamson, American football player, actor, director, producer, and screenwriter

Frederick Robert Williamson (born March 5, 1938), also known as The Hammer, is an American actor and former professional American football defensive back who played mainly in the American Football League during the 1960s. Williamson is perhaps best known for his film career, starring as Tommy Gibbs in the 1973 crime drama film Black Caesar and its sequel Hell Up in Harlem. Williamson also had other notable roles in other 1970s blaxploitation films such as Hammer (1972), That Man Bolt (1973) and Three the Hard Way (1974).