Cast & crew
Operación Plus Ultra (1966)
Directed by Pedro Lazaga Sabater Written by Joaquín Peláez, Rafael J. Salvia, Pedro Masó, Vicente Coello
Cast
| Alberto Closas | Juan Cortez |
| Julia Gutiérrez Caba | Tía Luisa |
| Manuel Alexandre | Pepe |
| José Luis López Vázquez | Arturo |
| Luchy Soto | |
| Elvira Quintillá | Carmen |
| Laly Soldevila | Criada |
| Francisco Camoiras | Oficial |
| Augusto Algueró | Self |
| José Luis Coll | |
| Carmen Sevilla | Self |
| Alfonso del Real | Hotel Recepcionist |
| Olga Omar | Azafata |
| Carmen Bernardos | |
| Emilia Rubio | |
| Nela Conjiu | |
| Pedro Hurtado | |
| Manuel Collado | |
| Francisco Arenzana | Pescador Entreposto |
| Carlos Mendy | |
| José Orjas | Maestro |
| Alfredo Santacruz | Comandante Cervera |
| Antonio Tamayo | |
| Jesús Guzmán | Camarero |
| Antonio Cerro | |
| Marcelo Arroita-Jáuregui | |
| Marta Reves | |
| Ana Carvajal | |
| Brigitte Wilmayer | |
| José Luis Heredia | |
| José Morales | |
| Luisa Cuesta | |
| Antonio Ramis | |
| Juan Armenteros | Fosforito |
| Manuel de Benito | Antonio Berrutti |
| Enrique Egido | Richard Bailey |
| Alfonso Casatejada | Manolo |
| Tania Castillo | Loli |
| Bernard Essel | Bernard Judge |
| Ramón Fernández Tejela | Agustín |
| Linda Marie Huffman | Pili |
| José Luis López Valtierra | Carmelo |
| Cholo | Manuel |
| Carolina Montijano | Vicentita |
| María Teresa Montoya | Michelina |
| Fernando Mijares | Constancio |
| Josefa Pérez | Camioneta |
| María del Carmen Rodríguez | Carmen |
| Luis Miguel Suárez | Robert 'Rob' Nelson |
| Jennifer Wittig | Jennie |
| Santiago Bernabeu | Self |
| Paul Naschy | (uncredited) |
Crew
| Juan Mariné | Director of Photography |
| José Alted | Production Manager |
| Pedro Masó | Executive Producer |
| Rogelio Armada | Sound Effects |
| Carlos Nin | Makeup Artist |
| Pablo Núñez | Title Designer |
| Joaquín Peláez | Writer |
| Augusto Algueró | Music |
| Rafael J. Salvia | Writer |
| Ángel Masó | Production Assistant |
| José Salvador | Still Photographer |
| Antonio Belizón | Assistant Set Decoration |
| Marina Pavía | Assistant Makeup Artist |
| Alejandro Iglesias | Production Assistant |
| Sinesio Isla | Assistant Director |
| Adolfo Cofiño | Set Decoration |
| Pablo Núñez | Visual Effects |
| Alfonso Santacana | Editor |
| Pedro Masó | Writer |
| Paul Naschy | Producer's Assistant |
| Alicia Castillo | Assistant Editor |
| Luis Ocaña | Property Master |
| Paquita Pons | Costume Design |
| Concepción Cano | Hairstylist |
| Pedro Lazaga Sabater | Director |
| Tomás Fernández | Settings |
| Vicente Coello | Writer |
| María Teresa Ramos | Production Secretary |
| María Teresa Ramos | Script Supervisor |
| Domingo Solano | Assistant Camera |
| Luis Gómez | Sound Recordist |
| Miguel Agudo | Camera Operator |
| María Teresa Iglesias | Wardrobe Master |
| Jaime Torrens | Sound Editor |
| Antón García Abril | Music |