| Name | Character | Episodes |
|---|---|---|
| Eli Wallach | Padre Fernando De Talavera | 4 |
| Oliver Reed | Martin Pinzon | 4 |
| Erik Schumann | Benguela | 4 |
| Raf Vallone | Jose Vizinho | 4 |
| Elpidia Carrillo | Coana | 4 |
| Virna Lisi | Dona Moniz Perestrello | 4 |
| Max von Sydow | Re Giovanni del Portogallo | 4 |
| Patrick Bauchau | Don Rodrigo | 4 |
| Larry Lamb | Don Castillo | 4 |
| Massimo Girotti | Duca Medina Coeli | 4 |
| Faye Dunaway | Regina Isabella di Spagna | 4 |
| Gabriel Byrne | Christopher Columbus | 4 |
| Rossano Brazzi | Diego Ortiz De Vilhegas | 4 |
| Heinz Weiss | Noscomb | 4 |
| William Berger | Francisco De Bobadilla | 4 |
| Antonio Marsina | Vicente Pinzon | 4 |
| Murray Melvin | Padre Linares | 4 |
| Iris Peynado | Selina | 4 |
| Charles Borromel | Xarmiento | 4 |
| Keith Buckley | De Torres | 4 |
| Anne Canovas | Beatriz Enriquez | 4 |
| Nicol Williamson | Re Ferdinando | 4 |
| Scott Coffey | Vallejo | 4 |
| Hal Yamanouchi | Guacanabo | 4 |
| Sal Borgese | Juan | 4 |
| Michel Auclair | Luis De Santangel | 4 |
| Gregory Snegoff | Francisco Pinzon | 4 |
| Jack Watson | Padre Marcena | 4 |
| Audrey Matson | Donna Felipa Perestrello | 4 |