Producciones Corazón, Maíz Producciones, Conaculta, Fondo de Inversión y Estímulos al Cine (Fidecine) México, Universidad Nacional Autónoma de México ; una producción de Elisa Salinas, Pablo Rovito, Eckehardt Von Damm, Fernando Sokolowicz, Fernando Sariñana ; idea original, Fernando Sariñana ; argumento, Fernando Sariñana, Carolina Rivera, Diego Gutiérrez ; guión, Carolina Rivera con la colaboración de Luis Felipe Ybarra, Carlos Bolado ; dirigida por Carlos Bolado
HBO Films presents in association with BBC Films ; a Scott Free production ; a film by Richard Loncraine ; co-producer, Sue Berger ; co-executive producers, Lisa Ellzey, Tracey Scoffield ; produced by Frank Doelger and David M. Thompson ; executive producers, Ridley Scott, Tony Scott, Julie Payne ; story by Larry Ramin and Hugh Whitemore ; screenplay by Hugh Whitmore ; directed by Richard Loncraine
Universal Pictures and StudioCanal present ; in association with MP Zeta Productions ; a Working Title production ; a Shekhar Kapur film ; produced by Tim Bevan, Eric Fellner, Jonathan Cavendish ; written by William Nicholson and Michael Hirst ; directed by Shekhar Kapur