Casting Là-haut
Acteurs et actrices
Ed Asner
Rôle : Carl Fredricksen (voice)
Jordan Nagai
Rôle : Russell (voice)
Christopher Plummer
Rôle : Charles F. Muntz (voice)
Bob Peterson
Rôle : Dug / Alpha (voice)
Delroy Lindo
Rôle : Beta (voice)
Jerome Ranft
Rôle : Gamma (voice)
John Ratzenberger
Rôle : Construction Foreman Tom (voice)
David Kaye
Rôle : Newsreel Announcer (voice)
Et aussi :
- Young Ellie (voice) Young Ellie (voice) Elie Docter
- Young Carl (voice) Young Carl (voice) Jeremy Leary
- Police Officer Edith (voice) Police Officer Edith (voice) Mickie McGowan
- Construction Worker Steve (voice) Construction Worker Steve (voice) Danny Mann
- Nurse George (voice) Nurse George (voice) Donald Fullilove
- Omega (voice) Omega (voice) Josh Cooley
- Campmaster Strauch (voice) Campmaster Strauch (voice) Pete Docter
- Additional Voices (voice) Additional Voices (voice) Mark Andrews
- Additional Voices (voice) Additional Voices (voice) Brenda Chapman
- Additional Voices (voice) Additional Voices (voice) Emma Coats
- Additional Voices (voice) Additional Voices (voice) John Cygan
- Additional Voices (voice) Additional Voices (voice) Paul Eiding
- Additional Voices (voice) Additional Voices (voice) Tony Fucile
- Additional Voices (voice) Additional Voices (voice) Teresa Ganzel
- Additional Voices (voice) Additional Voices (voice) Sherry Lynn
- Additional Voices (voice) Additional Voices (voice) Teddy Newton
- Additional Voices (voice) Additional Voices (voice) Jeff Pidgeon
- Additional Voices (voice) Additional Voices (voice) Valerie LaPointe
- Additional Voices (voice) Additional Voices (voice) Jan Rabson
- Additional Voices (voice) Additional Voices (voice) Bob Scott
Réalisateurs
Pete Docter
Rôle : Director
Scénaristes
Bob Peterson
Rôle : Screenplay
Pete Docter
Rôle : Screenplay
Producteurs
Andrew Stanton
Rôle : Executive Producer
John Lasseter
Rôle : Executive Producer
Jonas Rivera
Rôle : Producer