85 mins | Documentary, History | March 22, 2019
85 mins | Documentary, History | March 22, 2019
| IMDb rating | 5.6 |
| Producers | Sevenfor Servicios Audiovisuales |
| Original title | Onyx: Kings of the Grail |
| Directors | Chris Downs, Luis Reneo, Patricia Ordás, Daniel M. Caneiro, Roberto Girault |
| Writers | Margarita Torres, José Miguel Ortega, Luis Reneo, Roberto Girault |
as Narrator
as Margarita Torres
as José Miguel Ortega
as Otto Rahn
as Heimrich Himmler
as Saladin
as Gustavo – The Intern
as Andreu Ripoll
as Goldsmith
as Ferdinand I of León
as Doña Urraca
as Medieval Goldsmith
as Sancha de León
as Al-Azhar Librarian
as Denia Ambassador
as Saladin's Daughter
as Irish Monk
as Last Supper Kid
as Doña Elvira
as Catacombs Woman
as Self
as Self
as Self
as Self
as Self
as Self
as Self
as Self
as Self
as Self