On screen
Cast
25 credited performers
Mel Ferrer
El Greco (Domenico Teotocopulo)
Rosanna Schiaffino
Jeronima de las Cuevas
Adolfo Celi
Don Miguel de las Cuevas
Fernando Rey
Re Filippo II
Mario Feliciani
Nino de Guevara
Franco Giacobini
Francisco
Renzo Giovampietro
Frate Felix
Ángel Aranda
Don Luis
Nino Crisman
Don Diego di Castiglia
Gabriella Giorgelli
Maria
Giulio Donnini
Pignatelli
Rafael Rivelles
Character not listed
John Karlsen
Character not listed
Artwork unavailable
John Francis Lane
Character not listed
Rossana Martini
Zaida
Maria Marchi
Character not listed
Franco Fantasia
Character not listed
Andrea Bosic
L'accusatore
Bruno Scipioni
Character not listed
Artwork unavailable
Rosi Di Pietro
Isabel
Artwork unavailable
Mary Di Pietro
Character not listed
Víctor Israel
Character not listed
Artwork unavailable
Giulio Farnese
Maestro d'armi
Santiago Ontañón
Leoni
Artwork unavailable
Franco Mariotti
Nobile spagnolo