Walt Disney presents ; story adaptation, Erdman Penner ; additional story, Joe Rinaldi, Winston Hibler, Bill Peet, Ted Sears, Ralph Wright, Milt Banta ; supervising director, Clyde Geronimi
Walt Disney Pictures ; directed by Chris Buck, Jennifer Lee ; screenplay by Jennifer Lee ; story by Jennifer Lee, Chris Buck, Marc E. Smith, Kristen Anderson-Lopez, Robert Lopez ; produced by Peter Del Vecho
Relativity Media and Universal Pictures presents in association with a Larger Than Life Production in association with Framestore Animation ; directed by Sam Fell, Rob Stevenhagen ; produced by Gary Ross, Allison Thomas ; screenplay by Gary Ross ; screen story by Will McRobb & Chris Viscardi
Disney presents a Pixar Animation Studios film ; directed by Mark Andrews and Brenda Chapman ; produced by Katherine Sarafian ; executive producers, John Lasseter, Andrew Stanton, Pete Docter ; story by Brenda Chapman ; screenplay by Mark Andrews, Steve Purcell and Brenda Chapman & Irene Mecchi
Walt Disney Pictures ; Walt Disney Animation Studios ; produced by Peter Del Vecho ; original story, Ron Clements, Greg Erb, John Musker, Jason Oremland ; screenplay by Ron Clements & John Musker and Rob Edwards ; directed by Ron Clements, John Musker ; executive producer, John Lasseter