Leopoldo Contreras, a professor emeritus of Roman law has serious economic problems. His translations of classical authors do not give enough money to live and had to sell even their floor. To remedy the situation is offered as a slave to a former student in exchange for room and board.
| Directing | Jaime de Armiñán | Director |
| Art | Antonio Cortés | Art Direction |
| Directing | Margarita Fernández | Script Supervisor |
| Lighting | Francisco Medina | Gaffer |
| Sound | Miguel Ángel Polo | Sound |
| Writing | Jaime de Armiñán | Writer |
| Sound | Francisco Peramos | Sound Re-Recording Mixer |
| Production | Antonio Guillén Rey | Production Assistant |
| Camera | Teo Escamilla | Director of Photography |
| Directing | Manuel Gómez Pereira | Assistant Director |
| Costume & Make-Up | Juana Ramírez | Seamstress |
| Production | Beatriz Alcalá | Production Secretary |
| Costume & Make-Up | Consuelo Zahonero | Hairstylist |
| Lighting | Juan Carrión | Electrician |
| Lighting | José Sacristán | Electrician |
| Costume & Make-Up | Godelia | Wardrobe Master |
| Editing | Lucio Cortés | Assistant Editor |
| Production | Enrique Bellot | Production Manager |
| Directing | Eduardo Armiñán | Assistant Director |
| Writing | Fernando Fernán Gómez | Screenplay |
| Costume & Make-Up | Ángel Luis de Diego | Makeup Artist |
| Camera | Nicolás Muñoz | Assistant Camera |
| Camera | Antonio Fernández Santamaría | Key Grip |
| Camera | Miguel Icaza | Assistant Camera |
| Editing | José Luis Matesanz | Editor |
| Sound | Agustín Peinado | Boom Operator |