Charlton Heston as Ron "Cat" Catlan

Jessica Walter as Julie Catlan

Bruce Dern as Richie Fowler

John Randolph as Coach James Southerd

Diana Muldaur as Ann Marley

G. D. Spradlin as Doctor Tristler

Steve Franken as Robin

Al Hirt as Himself

Bart Burns as Coach Davis

Mike Henry as Walt Chaffee

Roy Jenson as Roy Nelson

Ernie Barnes as Deke Coleman

Bobby Troup as Harvey Hess

George Sperdakos as Doctor Overstreet

Billy Holliday as Trainer

Don Criqui as Cal Woodward

Bob Bennett as Penny Farber

Vic Schwenk as Pete Roland

Forrest Wood as Asst. Trainer

John Mecom Jr. as Steve Polanski

Ernie Barnes as Deke Colman

Richard Elkins as Kelly Williams