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
Film Movement, SF Film Production & Beofilm present ; [Visit Films] ; a film by Mads Matthiesen ; instruktor, Mads Matthiesen ; manuskript, Mads Matthiesen/Martin Pieter Zandvliet ; producer, Morten Kjems Juhl