Kingdom of Castile, 15th century. A group of nobles, who question the dynastic legitimacy of Princess Juana, daughter of King Enrique IV, conspire with the purpose of overthrowing him.
| Actor | Role |
|---|---|
 Maribel MartínIsabel de Castilla | Isabel de Castilla |
 Juan RibóInfante of Aragón | Infante of Aragón |
 José María RoderoEnrique IV de Castilla | Enrique IV de Castilla |
 Carlos BallesterosMarquis of Villena | Marquis of Villena |
 José CalvoSimón | Simón |
 Miguel NarrosKing of Aragón | King of Aragón |
 José BódaloArchbishop of Toledo | Archbishop of Toledo |
| FFernando E. RomeroNot listed | Not listed |
 Terele PávezNot listed | Not listed |
| AAna María VenturaNot listed | Not listed |
 Yolanda RíosNot listed | Not listed |
 Josep Maria PouNot listed | Not listed |
| JJosé LaraNot listed | Not listed |
 José Manuel MartínNot listed | Not listed |
 Joaquín PamplonaNot listed | Not listed |
 Francisco MerinoNot listed | Not listed |
 José RiesgoNot listed | Not listed |
| FFernando BaezaNot listed | Not listed |
 José CanalejasNot listed | Not listed |
| RRafael VaqueroNot listed | Not listed |
| JJulián NavarroNot listed | Not listed |
| MManuel AndradeNot listed | Not listed |
| AAlfredo CallesNot listed | Not listed |
| OOdile PonsNot listed | Not listed |
 Carmen CarriónNot listed | Not listed |
| SSally SitonNot listed | Not listed |