Full Cast — Uncle Grandpa (2010–2017)

Peter Browngardt

Uncle Grandpa (voice)

Eric Bauza

Belly Bag / Hot Dog Person (voice)

Kevin Michael Richardson

Mr. Gus (voice)

Adam Devine

Pizza Steve (voice)

Grey DeLisle

Additional Voices (voice) / Little Mac / Additional Voices (voice) / Jimmy / Additional Voices (voice) / Josie / Additional Voices (voice) / Tommy / Additional Voices (voice)

Tom Kenny

Tiny Miracle / Additional Voices (voice) / Additional Voices (voice) / Tiny Miracle (voice)

Kari Wahlgren

Additional Voices (voice) / Jessica (voice)

Dee Bradley Baker

Additional Voices (voice) / Messy Bessy (voice) / Adam (voice)

Audie Harrison

Beary Nice / Additional Voices (voice) / Additional Voices (voice) / Beary Nice (voice)

Rob Schrab

Evil Wizard (voice) / Evil Wizard / Additional Voices (voice) / Additional Voices (voice)

Roger Craig Smith

Belson (voice) / Chet / Additional Voices (voice) / Additional Voices (voice)

Lena Headey

Aunt Grandma (voice)

Carlos Alazraqui

Austin (voice) / Additional Voices (voice) / Thiago / Additional Voices (voice)

Jill Talley

Additional Voices (voice)

Jessica DiCicco

Additional Voices (voice)

Pamela Adlon

Additional Voices (voice)

Brian Posehn

Charlie Burgers (voice)

Scott Menville

Additional Voices (voice) / Riley / Additional Voices (voice)

Steve Blum

Additional Voices (voice)

Michael Dorn

Additional Voices (voice)

Jack Fletcher

Additional Voices (voice)

Nika Futterman

Isabella / Additional Voices (voice) / Zeke (voice) / Additional Voices (voice)

Vanessa Marshall

Additional Voices (voice)

Jarid Root

Melvin/Spaghetti Legs / Additional Voices (voice)

Jon Heder

Additional Voices (voice) / Kev / Additional Voices (voice)

Bob Joles

Santa / Additional Voices (voice)

Tara Strong

Additional Voices (voice)

E. G. Daily

Additional Voices (voice)

Dina Sherman

Additional Voices (voice)

Cristina Pucelli

Additional Voices (voice)

Rich Fulcher

Additional Voices (voice) / Elf #1 (voice)

Kelsy Abbott

Lizzy (voice) / Additional Voices (voice)

John DiMaggio

Jake (voice) / Additional Voices (voice)

Mark Hamill

John Bossman (voice)

Jeff Bennett

Joey (voice) / Additional Voices (voice)

Fred Tatasciore

Tooth Fairy (voice) / Cloud Wizard / Additional Voices (voice)

Ben Diskin

Additional Voices (voice)

Grant Moninger

Additional Voices (voice)