 Tyrone PowerFerdinand de Lesseps | Ferdinand de Lesseps |
 Loretta YoungCountess Eugenie de Montijo | Countess Eugenie de Montijo |
 AnnabellaToni Pellerin | Toni Pellerin |
 J. Edward BrombergPrince Said | Prince Said |
 Joseph SchildkrautVicomte Rene De Latour | Vicomte Rene De Latour |
 Henry StephensonCount Mathieu de Lesseps | Count Mathieu de Lesseps |
 Sidney BlackmerMarquis Du Brey | Marquis Du Brey |
 Maurice MoscovitchMohammed Ali | Mohammed Ali |
 Sig RumanSergeant Pellerin | Sergeant Pellerin |
 Nigel BruceSir Malcolm Cameron | Sir Malcolm Cameron |
 Miles ManderBenjamin Disraeli | Benjamin Disraeli |
 George ZuccoPrime Minister | Prime Minister |
 Leon AmesNapoleon III - Emperor of France | Napoleon III - Emperor of France |
 Rafaela OttianoMaria De Teba | Maria De Teba |
 Victor VarconiVictor Hugo | Victor Hugo |
 Georges RenaventBank President | Bank President |
 Frank ReicherGeneral Changarnier | General Changarnier |
| CCarlos De ValdezCount Hatzfeldt | Count Hatzfeldt |
| JJacques LoryMillet | Millet |
 Albert ContiM. Fevrier | M. Fevrier |
 Brandon HurstFranz Liszt | Franz Liszt |
 Marcelle CordayMme. Paquineau | Mme. Paquineau |
 Odette MyrtilDuchess | Duchess |
 Egon BrecherDoctor | Doctor |
 Alphonse MartellGeneral St. Arnaud | General St. Arnaud |
 C. Montague ShawElderly Man | Elderly Man |
 Leonard MudieCampaign Manager | Campaign Manager |
| CCarol AdamsMinor Role (uncredited) | Minor Role (uncredited) |
| DDavid CavendishNeighbor (uncredited) | Neighbor (uncredited) |
 Jean De BriacEngineer (uncredited) | Engineer (uncredited) |
