| Adam Driver | Toby |
| Will Keen | Producer |
| Paloma Bloyd | Melissa |
| Óscar Jaenada | Gypsy |
| Juan López-Tagle | Spanish Propman |
| Jose Luis Ferrer | Don Quixote (commercial) |
| Ismael Fritzi | Sancho Panza (commercial) |
| William Miller | 1st AD - Bill |
| Jason Watkins | Rupert |
| Sonia Franco | Flamenco Dancer |
| Bruno Sevilla | Client Rep |
| Stellan Skarsgård | The Boss |
| Olga Kurylenko | Jacqui |
| Jordi Mollà | Alexei Mishkin |
| Jonathan Pryce | Don Quixote |
| Joana Ribeiro | Angelica |
| Juan Machín | Madman |
| Inma Navarro | Beggar Woman |
| Daniel Gutierrez | Toby’s Friend 2 |
| Julen Urizar | Toby’s Friend 3 |
| Hovik Keuchkerian | Raul / Knight of the Mirrors |
| Joe Manjon | Toby’s Mate |
| Carlos Estevez | Barfly |
| Mario Tardon | Priest / Hooded Monk |
| Matilde Fluixá | Crone / Knight of the Mirrors Squire |
| Rodrigo Poisón | RODRIGO POISON |
| Sergi López | Farmer |
| John Schiappa | Police Chief |
| Lidia Franco | Panicky Woman 1 |
| Maria D'Aires | Panicky Woman 2 |
| Carmela Greco | Dancing Couple 1 |
| Phillip Pinto | False Angelica |
| Manuel Monzón | Giant 2 M |
| Terry Gilliam | Voice of Giant 2 |
| Tony Hertz | Voice of Giant 3 |
| Rossy de Palma | Actor |
Technical Credits
| Terry Gilliam | Director,Screenwriter |
| Alessandra LoSavio | Executive Producer |
| Alejandro Fernandez | Art Director |
| Roque Banos | Score Composer |
| Mariela Besuievsky | Producer |
| Javier López Blanco | Executive Producer |
| Montserrat Damas | Makeup |
| Sebastien Delloye | Producer |
| Benjamin Fernandez | Production Designer |
| Teresa Font | Editor |
| Amy Gilliam | Producer |
| Tony Grisoni | Screenwriter |
| Gerardo Herrero | Producer |
| Pablo Iraola | Co-producer,Producer |
| Camilla-Valentine Isola | Casting |
| Uxue Laguardia | Makeup |
| Gabriel Liste | Art Director |
| Giorgia LoSavio | Executive Producer |
| Gregoire Melin | Producer |
| Pierre Mertens | Sound Editor |
| Lena Mossum | Costumes/Costume Designer |
| David Pareja | Asst. Director |
| Nicola Pecorini | Cinematographer |
| Pandora da Cunha Telles | Co-producer |
| Jeremy Thomas | Executive Producer |
| François Touwaide | Producer |
| Wesley Walker | Editor |
| Peter Watson | Executive Producer |
| Peter Watson | Producer |
