 Lana TurnerDiane de Poitiers - Countess de Breze | Diane de Poitiers - Countess de Breze |
 Pedro ArmendárizKing Francis I | King Francis I |
 Roger MoorePrince Henri | Prince Henri |
 Marisa PavanCatherine de Medici | Catherine de Medici |
 Cedric HardwickeRuggieri | Ruggieri |
 Torin ThatcherLouis - Count de Breze | Louis - Count de Breze |
 Taina ElgAlys | Alys |
 John LuptonRegnault | Regnault |
 Henry DaniellGondi | Gondi |
| RRonald GreenFrancis III - The Dauphin | Francis III - The Dauphin |
 Sean McCloryCount Michel Montgomery | Count Michel Montgomery |
 Geoffrey TooneDuke of Savoy | Duke of Savoy |
 Michael AnsaraCount Ridolfi | Count Ridolfi |
 Paul CavanaghLord Bonnivet | Lord Bonnivet |
 Melville Cooper1st Court Physician | 1st Court Physician |
 Ian WolfeLord Tremouille | Lord Tremouille |
 Basil RuysdaelChamberlain | Chamberlain |
 Christopher DarkGiancarlo | Giancarlo |
 Marc CavellPiero | Piero |
 Gene ReynoldsMontecuculli | Montecuculli |
| JJohn O'MalleyMarechal de Chabannes | Marechal de Chabannes |
| PPeter GraySardini | Sardini |
| MMickey MagaCharles | Charles |
| RRonald AntonFrancis | Francis |
| AAnn BrendonLady in Waiting (uncredited) | Lady in Waiting (uncredited) |
 Peter BroccoCourt Painter (uncredited) | Court Painter (uncredited) |
| WWes ChristensenGuard (uncredited) | Guard (uncredited) |
| BBunny CooperLady in Waiting (uncredited) | Lady in Waiting (uncredited) |
 Barbara DarrowLady in Waiting (uncredited) | Lady in Waiting (uncredited) |
| LLeslie DenisonChief Huntsman (uncredited) | Chief Huntsman (uncredited) |
