Luis Lima
— Don Carlo
Ileana Cotrubas
— Elisabetta di Valois
Giorgio Zancanaro
— Rodrigo
Robert Lloyd
— Filippo II
Bruna Baglioni
— Princess Eboli
Joseph Rouleau
— Grand Inquisitor
Matthew Best
— A monk
Patricia Parker
— Tebaldo
John Dobson
— Count of Lerma
Lola Biagioni
— A voice from heaven
Alan Jones
— A royal herald
Romayne Grigorova
— Countess of Aremburg (silent acting role)