Universal Pictures International y Guillermo del Toro presentan una producción Rodar y Rodar, en coproducción con Antena 3 Films, en producción asociada con Televisió de Catalunya y la participación des Medfilms, Canal+ ; dirigida por Guillem Morales ; producida por Joaquín Padró, Mar Targarona, Guillermo del Toro, Mercedes Gamero ; guión, Guillem Morales, Oriol Paulo
Film Movement presents ; a Reposado and Mediapro production ; produced by Fernando León De Aranoa and Jaime Roures ; written and directed by Fernando León De Aranoa
New Line Cinema presents a Practical Pictures/Zide Pictures production ; written by Eric Heisserer ; produced by Craig Perry ; directed by Steven Quale
New Line Cinema presents A Warren Zide/Craig Perry Production ; producer, Glen Morgan ; screenplay, Glen Morgan, James Wong, Jeffrey Reddick ; director, James Wong
New Line Cinema presents a Practical Pictures/Parallel Zide production, a David R. Ellis film ; produced by Craig Perry, Warren Zide ; written by Eric Bress ; directed by David R. Ellis