<Ul> <Li> James Caan as Brian Piccolo </Li> <Li> Billy Dee Williams as Gale Sayers </Li> <Li> Jack Warden as Coach George Halas </Li> <Li> Shelley Fabares as Joy Piccolo </Li> <Li> Judy Pace as Linda Sayers </Li> <Li> Bernie Casey as J.C. Caroline </Li> <Li> David Huddleston as Ed McCaskey </Li> <Li> Ron Feinberg as Doug Atkins </Li> <Li> Jack Concannon as Himself </Li> <Li> Abe Gibron as Himself </Li> <Li> Ed O'Bradovich as Himself </Li> <Li> Dick Butkus as Himself </Li> <Li> Chicago Bears as Themselves </Li> </Ul> <Li> James Caan as Brian Piccolo </Li> <Li> Billy Dee Williams as Gale Sayers </Li> <Li> Jack Warden as Coach George Halas </Li>

Who played gayle sayers in brian's song