After Slip is drafted into the Marines, the rest of the gang volunteers so they can be with him. Sach discovers that the colonel knew his father and he is promoted. During a drill that he is putting the rest of the gang through, they find a soldier left for dead on the side of the road. Slip discovers a playing card next to the marine and traces it to Jolly Joe Johnson's gambling house. They suspect that the gambling house is cheating and set out to uncover the proof.
| Actor | Role |
|---|---|
 Leo GorceyTerence Aloysius 'Slip' Mahoney | Terence Aloysius 'Slip' Mahoney |
 Huntz HallHorace Debussy 'Sach' Jones Jr. | Horace Debussy 'Sach' Jones Jr. |
 Hanley StaffordColonel Thomas F. Brown | Colonel Thomas F. Brown |
 David GorceyChuck | Chuck |
 Benny BartlettButch | Butch |
 Gil StrattonJunior | Junior |
 Myrna DellLulu Mae | Lulu Mae |
 Paul MaxeyJolly Joe Johnson | Jolly Joe Johnson |
 Murray AlperCorporal Stacey | Corporal Stacey |
 Arthur SpaceCaptain Miller | Captain Miller |
 Bernard GorceyLouie Dumbrowsky | Louie Dumbrowsky |
 Tim RyanSheriff Benson | Sheriff Benson |
| LLisa WilsonCol. Brown's Secretary | Col. Brown's Secretary |
 William NewellMaj. Desmond | Maj. Desmond |
 Riley HillCapt. Harlow | Capt. Harlow |
| DDick PaxtonProjector Salesman | Projector Salesman |
 William BaileyBrogan the Postman | Brogan the Postman |
| PPerc LaundersSupply Sergeant | Supply Sergeant |
 Robert CooganMess Sergeant | Mess Sergeant |
 James FlavinLieutenant-Colonel at End | Lieutenant-Colonel at End |