True story of the life of Jimmy Piersall, who battled mental illness to achieve stardom in major league baseball.
| Actor | Role |
|---|---|
 Anthony PerkinsJimmy Piersall | Jimmy Piersall |
 Karl MaldenJohn Piersall | John Piersall |
 Norma MooreMary Piersall | Mary Piersall |
 Adam WilliamsDoctor Brown | Doctor Brown |
 Perry WilsonMrs. John Piersall | Mrs. John Piersall |
 Peter J. VotrianJim Piersall as a Boy | Jim Piersall as a Boy |
 Richard BullReporter Slade (uncredited) | Reporter Slade (uncredited) |
 Morgan JonesSandy Allen (uncredited) | Sandy Allen (uncredited) |
 Edd ByrnesBoy in Car Assisting Jimmy Up Stairway (uncredited) | Boy in Car Assisting Jimmy Up Stairway (uncredited) |
 Brian G. HuttonBernie Sherwill (uncredited) | Bernie Sherwill (uncredited) |
| BBart BurnsJoe Cronin (uncredited) | Joe Cronin (uncredited) |