A bat boy guides the San Diego Padres to the World Series with the secret help of his dad, a baseball has-been who now sells refreshments in the stands.

Gary Coleman
as Jackie Robinson 'J.R.' Cooper

Robert Guillaume
as Larry Cooper

Gary Collins
as Pete Sloane

Ed McMahon
as Fred Walker

Tricia O'Neil
as Marion Fowler

Tab Hunter
as Bill Lorant

Rick Podell
as Leonard Hyams

Alberto Vazquez
as Juan Telles

Steve Tannen
as Orlando

Ken Medlock
as Grosso