An American joins the French Foreign Legion in order to rescue a boyhood friend.
| Actor | Role |
|---|---|
 Ralph ForbesJohn Geste | John Geste |
 Loretta YoungIsobel Brandon | Isobel Brandon |
 Irene RichLady Brandon | Lady Brandon |
 Lester VailOtis Madison | Otis Madison |
| FFrank McCormickCarl Neyer | Carl Neyer |
 Otto MatiesonJacob Levine | Jacob Levine |
 Don AlvaradoRamon Gonzales | Ramon Gonzales |
 Bernard SiegelIvan Badinoff | Ivan Badinoff |
 Myrtle StedmanMrs. Frank Madison | Mrs. Frank Madison |
 John St. PolisJudge Advocate (as John M. St. Polis) | Judge Advocate (as John M. St. Polis) |
 Joe De StefaniProsecuting Attorney (as Joseph De Stefani) | Prosecuting Attorney (as Joseph De Stefani) |
 Paul McAllisterSergeant Frederic | Sergeant Frederic |
 Hale HamiltonMajor LeBaudy | Major LeBaudy |
 George RegasThe Emir | The Emir |
 Leni StengelZuleika | Zuleika |
 Wilfrid NorthFrench Officer (uncredited) | French Officer (uncredited) |
 Helen ParrishIsobel as a Child (uncredited) | Isobel as a Child (uncredited) |