Fifi, a dusky, sultry Senegalese spy, uses her wiles to get information out of two American army soldiers, Ham and Eggs, in France during World War I.
| Actor | Role |
|---|---|
 Tom WilsonHam | Ham |
 Heinie ConklinEggs (as Charlie Conklin) | Eggs (as Charlie Conklin) |
 Myrna LoyFifi | Fifi |
 William IrvingVon Friml (as William J. Irving) | Von Friml (as William J. Irving) |
 Noah YoungArmy Sergeant | Army Sergeant |
 Louise FazendaCally Brown | Cally Brown |
 Tom KennedyLazarus | Lazarus |