German expatriate Fritz Kortner plays the largest role, as an anti-Nazi schoolmaster who helps a downed American flyer (John Archer) reached Allied lines with vital war information. As usual, the Nazis are incredibly stupid and lead-footed, enabling the flyer to accomplish his mission.
| Actor | Role |
|---|---|
 John ArcherJimmy Thorne | Jimmy Thorne |
| MMary McLeodKatti Forster | Katti Forster |
 Fritz KortnerThomas Forster | Thomas Forster |
 Rex WilliamsPaul Forster | Paul Forster |
 Kurt KatchJohann Keller | Johann Keller |
 Walter SandeOtto Horner | Otto Horner |
 Wilhelm von BrinckenCol. von Ritter (as William Vaughn) | Col. von Ritter (as William Vaughn) |
 Peter LawfordRoger | Roger |
 Irene SeidnerMrs. Vogel | Mrs. Vogel |