Universal City Studios, Inc. presents a Northern Lights production ; written by Blake Snyder and William Osborne & William Davies ; produced by Ivan Reitman, Joe Medjuck, Michael C. Gross ; directed by Roger Spottiswoode
producer, Sheelin Choksey ; produced by Ronald D. Chong ; executive producer, Rick Wallace ; executive producer, James Duff ; executive producers, Greer Shephard & Michael M. Robin ; created by James Duff ; the Shephard/Robin Company ; Walking Entropy ; Warner Bros. Television
New Line Productions, Inc. ; New Line Cinema presents an Arthur Sarkissian and Roger Birnbaum production ; a Brett Ratner film ; produced by Roger Birnbaum, Arthur Sarkissian and Jonathan Glickman ; story by Ross LaManna ; screenplay by Jim Kouf and Ross LaManna ; directed by Brett Ratner