Carl Fredricksen (voice)
Charles F. Muntz (voice)
Russell (voice)
Dug / Alpha (voice)
Beta (voice)
Gamma (voice)
Construction Foreman Tom (voice)
Newsreel Announcer (voice)
Young Ellie (voice)
Young Carl (voice)
Police Officer Edith (voice)
Construction Worker Steve (voice)
Nurse George (voice)
Nurse AJ (voice)
Omega (voice)
Campmaster Strauch (voice)
Additional Voices (voice)