Flint Lockwood (voice)
Sam Sparks (voice)
Tim Lockwood (voice)
Chester V (voice)
Brent McHale (voice)
Manny (voice)
Steve (voice)
Earl Devereaux (voice)
Barb (voice)
Barry / Dill Pickle (voice)
Sentinel Louise / Live Corp Scientist (voice)
Sentinel Peter / Labcoat Jenny (voice)
Fintly McCallahan / Idea Pants Guy (voice)
Cal Devereaux (voice)
Young Flint (voice)
Patrick Patrickson (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)