a Metro-Goldwyn-Mayer picture produced by Loew's Incorporated ; directed by Norman Taurog ; produced by Jack Cummings ; screenplay by Leon Gordon and George Oppenheimer
a Warner Bros. Pictures production ; [presented by] Warner Bros. Pictures, Inc. and the Vitaphone Corporation ; adaptation, Alfred A. Cohn ; directed by Alan Crosland
una producción Aiete-Ariane Films, Sogecine (España), Take 2000 (Portugal) ; con la participación de Televisión Española ... [and others] ; guión de Ángel García Roldán, Imanol Uribe ; producida por Andrés Santana, Fernando Bovaira ; dirigida por Imanol Uribe
DreamWorks Animation presents in association with Columbus 81 Productions ; produced by Jerry Seinfeld, Christina Steinberg ; written by Jerry Seinfeld and Spike Feresten & Barry Marder & Andy Robin ; directed by Steve Hickner, Simon J. Smith ; head of character animation, Fabio Lignini