Julia, a 25 year-old university student, two weeks pregnant, with no criminal record, is sent to prison. Julia murdered the father of her child. This story addresses maternity, jail and Justice; confinement, guilt and solitude; but above all it deals with Julia and her son, Tomas, born inside an Argentinean prison.
You can now watch Lion's Den online on the following streaming providers in the United States.
| Writing | Alejandro Fadel | Writer |
| Writing | Santiago Mitre | Writer |
| Directing | Pablo Trapero | Director |
| Writing | Pablo Trapero | Writer |
| Writing | Martín Mauregui | Writer |
| Art | Agustina Llambi Campbell | Production Design |
| Art | Fernanda Castelo | Assistant Art Director |
| Production | Suh Young-joo | Producer |
| Directing | Rolo Pulpeiro | Second Unit Director |
| Art | Graciela Oderigo | Art Direction |
| Costume & Make-Up | Andrés Parrilla | Makeup Artist |
| Production | Marcelo Martín | Production Manager |
| Directing | Martín Mohadeb | Second Unit Director |
| Production | Walter Salles | Co-Producer |
| Directing | Carlos Kaimakamian Carrau | Assistant Director |
| Production | Juan Vera | Associate Producer |
| Directing | Mariano De Luca | Second Assistant Director |
| Production | Alejandro Cacetta | Associate Producer |
| Production | Ana Aráoz | Casting |
| Costume & Make-Up | Marisa Urruti | Costume Design |
| Sound | Rufino Basavilbaso | Dialogue Editor |
| Production | Juan Pablo Galli | Associate Producer |
| Costume & Make-Up | Alberto Moccia | Makeup Designer |
| Directing | Jonás Costa | First Assistant Director |
| Production | Verónica Bruno | Casting |
| Costume & Make-Up | Diana Titaferantta | Makeup Artist |
| Editing | Ezequiel Borovinsky | Editor |
| Production | Martina Gusmán | Executive Producer |
| Production | Pablo Trapero | Producer |
| Editing | Pablo Trapero | Editor |
| Directing | Ignacio Gaggero | Second Assistant Director |
| Directing | Valeria Pivato | Assistant Director |
| Production | Rocio Furmento | Producer's Assistant |
| Sound | Leandro de Loredo | Foley Recordist |
| Editing | Luisa Cavanagh | Colorist |
| Sound | José E. Caldararo | Foley Artist |
| Lighting | Alejandro Albarenque | Electrician |
| Camera | Mariano De Luca | Second Assistant Camera |
| Camera | Tomás Acevedo | First Assistant Camera |
| Lighting | Daniel Ciurleo | Gaffer |
| Sound | Roberto Espinoza | Foley Artist |
| Camera | Nuria Besser | First Assistant Camera |
| Sound | Federico Esquerro | Sound Director |
| Lighting | Fernando González | Electrician |
| Camera | Martín Mohadeb | Camera Operator |
| Camera | Rafael Sahade | Steadicam Operator |
| Production | Jimena Monteoliva | Production Coordinator |
| Camera | Christian Bonini | Assistant Grip |
| Lighting | Miguel Rivarola | Electrician |
| Camera | Hernán Alvarado | Second Assistant Camera |
| Visual Effects | Agustin Graham | Animation |
| Production | Marcelo Vitali | Location Manager |
| Production | Mauro Guevara | Production Runner |
| Visual Effects | Alejo Varisto | Visual Effects Coordinator |
| Visual Effects | Leandro Pugliese | Visual Effects Supervisor |
| Production | Marina Hambra | Location Manager |
| Visual Effects | Ezequiel Borovinsky | Visual Effects Supervisor |
| Visual Effects | Poll Pebe Pueyrredón | Digital Effects Producer |
| Sound | Roberto Migone | Sound Re-Recording Mixer |
| Crew | Marcelo Furchi | Video Assist Operator |
| Sound | Andrés Pepe Estrada | Sound Editor |
| Directing | Carolina Graña | Continuity |
| Sound | Julián Catz | Boom Operator |
| Camera | Guillermo Nieto | Director of Photography |