Columbia Pictures presents ; a Trevor Albert production ; a Harold Ramis film ; story by Danny Rubin ; screenplay by Danny Rubin and Harold Ramis ; produced by Trevor Albert and Harold Ramis ; directed by Harold Ramis
a project of the National Endowment for the Humanities ; a production of Learning in Focus ; Learning in Focus presents ; produced by Phylis Geller, Calvin Skaggs ; teleplay by Corinne Jacker ; directed by Randa Haines
DreamWorks Pictures presents a PDI/DreamWorks production ; directed by Andrew Adamson, Vicky Jenson ; producers, Aron Warner, John H. Williams, Jeffrey Katzenberg ; written by Ted Elliott, Terry Rossio, Joe Stillman, and Roger S.H. Schulman
[presented by] Consejo Nacional para la Cultura y Las Artes ... [and others] ; en asociación con Cinevista Inc. .. [and others] ; guion cinematografico, Laura Esquivel ; produccion y direccion, Alfonso Arau.