Christine Kaufmann
Elena / Ione
Fernando Rey
Arbaces, High Priest of Isis
Mimmo Palmara
Gallinus, a Praetorian Guard
Guillermo Marín
Ascanius, Consul of Pompei
Carlo Tamberlani
Olinto, Christian Leader
Jesús Puente
Roman Senator
Mario Berriatúa
Praetorian Guard
Ángel Aranda
Antoninus Marcus
Mario Morales
Marcus, Military Tribune
Ángel Ortiz
Helios, a Praetorian Guard
Hank Bergman
Roman Soldier (uncredited)