It begins with the Mustangs in trouble in their championship series... all the players are banged up and they're being clobbered. But a sports reporter insists that his nephew, Minor, can really play ball and will help the team win.
| Actor | Role |
|---|---|
 James GleasonPicture in Opening Credits | Picture in Opening Credits |
 Lucile GleasonMrs. Smith nee Minor | Mrs. Smith nee Minor |
 Russell GleasonJerry Minor Smith | Jerry Minor Smith |
 Eugene PalletteJerry Minor | Jerry Minor |
 Baby PeggyPeggy | Peggy |
 Eddie DunnGallagher - Reporter | Gallagher - Reporter |
| IIrish MeuselPop Anson - Manager | Pop Anson - Manager |
 Jim ThorpeJim Thorpe | Jim Thorpe |
 Mike DonlinMike Donlin | Mike Donlin |