Blinky, the bespectacled son of Col. "Raw Meat" Islip, is scorned by his fellow cavalrymen stationed on the Mexican border because his previous military experience was as a Boy Scout.
| Actor | Role |
|---|---|
 Hoot GibsonGeoffrey Arbuthnot 'Blinky' Islip | Geoffrey Arbuthnot 'Blinky' Islip |
 Esther RalstonMary Lou Kileen | Mary Lou Kileen |
 Mathilde BrundageMrs. Islip | Mrs. Islip |
 DeWitt JenningsCol. 'Raw Meat' Islip | Col. 'Raw Meat' Islip |
 Elinor FieldPriscilla Islip | Priscilla Islip |
| DD.R.O. HatswellBertrand Van Dusen | Bertrand Van Dusen |
 Charles K. FrenchMaj. Kileen | Maj. Kileen |
| JJohn JuddHusk Barton | Husk Barton |
 W.E. LawrenceLt. Rawkins | Lt. Rawkins |
| WW.T. McCulleyThe Adjutant | The Adjutant |