Gracie plays a London publican's daughter named after Nell Gwynn, who much like the original, becomes romantically involved with a King(John Loder).
| Actor | Role |
|---|---|
 Gracie FieldsNell Gwynn | Nell Gwynn |
 John LoderPrince Charles | Prince Charles |
 Ivor BarnardTroubetski | Troubetski |
| AAlan AynesworthKing Boris | King Boris |
 Fred DuprezSam Greenbaum | Sam Greenbaum |
 Esme PercyGoebschen | Goebschen |
| HHorace KenneyMr. Gwyn | Mr. Gwyn |
 Eric MaturinThe Director | The Director |
| RRobb WiltonMagistrate | Magistrate |
 Norah HowardPrincess Grapfel | Princess Grapfel |
 A. Bromley DavenportMenkenburg | Menkenburg |
 Elizabeth JennsActress | Actress |
 Raymond LovellSaville (uncredited) | Saville (uncredited) |
 Jack RaineAide (uncredited) | Aide (uncredited) |
| BBen FieldMayor Of Granau (uncredited) | Mayor Of Granau (uncredited) |
 Esme ChurchNot listed | Not listed |
 Henry Oscar(uncredited) | (uncredited) |
 George SandersSinger in Public Bar (uncredited) | Singer in Public Bar (uncredited) |
 Ian Wilson(uncredited) | (uncredited) |
| VVeronica BradyMrs. Gwyne | Mrs. Gwyne |