 Edward G. RobinsonPaul Julius Reuter | Paul Julius Reuter |
 Edna BestIda Magnus Reuter | Ida Magnus Reuter |
 Eddie AlbertMax Wagner | Max Wagner |
 Albert BassermannFranz Geller | Franz Geller |
 Gene LockhartOtto Bauer | Otto Bauer |
 Otto KrugerDr. Magnus | Dr. Magnus |
 Nigel BruceSir Randolph Persham | Sir Randolph Persham |
 Montagu LoveDelane | Delane |
 James StephensonCarew | Carew |
 Walter KingsfordNapoleon III | Napoleon III |
 David BruceBruce | Bruce |
 Dickie MooreReuter as a Boy | Reuter as a Boy |
| BBilly DawsonMax Wagner as a Boy | Max Wagner as a Boy |
| RRichard NicholsHerbert - Age 5 | Herbert - Age 5 |
 Lumsden HareChairman | Chairman |
 Louis AdlonClerk (uncredited) | Clerk (uncredited) |
| NNorman AinsleyCockney News Vendor (uncredited) | Cockney News Vendor (uncredited) |
 Mary AndersonGirl with Max (uncredited) | Girl with Max (uncredited) |
| MMichael AudleyReporter (uncredited) | Reporter (uncredited) |
| TTommy BakerSick Boy in Aachen (uncredited) | Sick Boy in Aachen (uncredited) |
 Max BarwynTranslator (uncredited) | Translator (uncredited) |
| FFrank BensonCockney News Vendor (uncredited) | Cockney News Vendor (uncredited) |
| NNina BorgetWoman (uncredited) | Woman (uncredited) |
| HHazel BoyneCompanion (uncredited) | Companion (uncredited) |
 Egon BrecherVon Konstat (uncredited) | Von Konstat (uncredited) |
 Georgia CaineMother in 'Our American Cousin' (uncredited) | Mother in 'Our American Cousin' (uncredited) |
 Leonard CareyDelane's Secretary (uncredited) | Delane's Secretary (uncredited) |
| GGeorge CathreyCockney News Vendor (uncredited) | Cockney News Vendor (uncredited) |
 Cliff ClarkReporter (uncredited) | Reporter (uncredited) |
 David ClydeConstable (uncredited) | Constable (uncredited) |
