A ball player takes his girlfriend to a carnival, only to discover a ring of saboteurs.
| Actor | Role |
|---|---|
 Lloyd NolanTommy N. Thornton ('Mr. Dynamite') | Tommy N. Thornton ('Mr. Dynamite') |
 Irene HerveyVicki Martin | Vicki Martin |
 Ann GillisJoey aka Abigail | Joey aka Abigail |
 J. Carrol Naish'The Professor' | 'The Professor' |
 Robert ArmstrongGunman | Gunman |
| FFrank GabyValla, the Ventriloquist | Valla, the Ventriloquist |
 Elisabeth RisdonLimping Woman (aka "Achilles") | Limping Woman (aka "Achilles") |
| WWilliam RuhlDetective | Detective |
 Kernan CrippsDetective | Detective |
 James C. MortonThe Cop in the Alley | The Cop in the Alley |
| KKen ChristyTour Guide | Tour Guide |
| MMonte BrewerSkinnay (as Monte 'Sonny' Brewer) | Skinnay (as Monte 'Sonny' Brewer) |
 Cliff NazarroDoubletalker | Doubletalker |
 Shemp Howard'Abdullah' | 'Abdullah' |
 Rudolph AndersFrederick the Butler | Frederick the Butler |
| KKen LundySandlot Baseball Boy | Sandlot Baseball Boy |
| TTom BraungerSandlot Baseball Boy | Sandlot Baseball Boy |
 Babe LondonHeavyset Ball-throw Target | Heavyset Ball-throw Target |