James Caan

Character: Brian Piccolo

Billy Dee Williams

Character: Gale Sayers

Jack Warden

Character: Coach Halas

Bernie Casey

Character: J.C. Caroline

Shelley Fabares

Character: Joy Piccolo

David Huddleston

Character: Ed McCaskey

Judy Pace

Character: Linda Sayers

Abe Gibron

Character: Abe Gibron

Jack Concannon

Character: Jack Concannon

Ed O'Bradovich

Character: Ed O'Bradovich

Harold 'Happy' Hairston

Character: Veteran Player #1

Ron Feinberg

Character: Veteran Player #2

Ji-Tu Cumbuka

Character: Roommate

Jim Boeke

Character: Veteran Player #3

Larry Delaney

Character: Dr. Fox

Stephen Coit

Character: Mr. Eberle

Doreen Lang

Character: Nurse #1

Jennifer Kulik

Character: Nurse #2

Allen Secher

Character: Hotel Man

Stu Nahan

Character: Speaker

Mario Machado

Character: Reporter #1

Bud Furillo

Character: Reporter #2

Jack Wells

Character: Toastmaster

Dick Butkus

Character: Dick Butkus (uncredited)

Mike Ditka

Character: Mike Ditka (archive footage) (uncredited)

January L'Angelle

Character: Girl in Hospital (uncredited)