Full cast of Uncle Grandpa

Peter Browngardt

Uncle Grandpa (voice)

156 episodes

Eric Bauza

Belly Bag / Hot Dog Person (voice)

156 episodes

Kevin Michael Richardson

Mr. Gus (voice)

156 episodes

Adam Devine

Pizza Steve (voice)

156 episodes

Tom Kenny

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

53 episodes

Grey DeLisle

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

51 episodes

Kari Wahlgren

Additional Voices (voice) / Jessica (voice)

27 episodes

Dee Bradley Baker

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

26 episodes

Audie Harrison

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

20 episodes

Rob Schrab

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

8 episodes

Roger Craig Smith

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

7 episodes

Lena Headey

Aunt Grandma (voice)

6 episodes

Carlos Alazraqui

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

6 episodes

Jill Talley

Additional Voices (voice)

6 episodes

Jessica DiCicco

Additional Voices (voice)

5 episodes

Pamela Adlon

Additional Voices (voice)

4 episodes

Brian Posehn

Charlie Burgers (voice)

4 episodes

Scott Menville

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

4 episodes

Steve Blum

Additional Voices (voice)

4 episodes

Michael Dorn

Additional Voices (voice)

4 episodes

Jack Fletcher

Additional Voices (voice)

4 episodes

Nika Futterman

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

3 episodes

Vanessa Marshall

Additional Voices (voice)

3 episodes

Jarid Root

Additional Voices (voice) / Melvin/Spaghetti Legs

2 episodes

Jon Heder

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

2 episodes

Bob Joles

Santa / Additional Voices (voice)

2 episodes

Tara Strong

Additional Voices (voice)

2 episodes

E. G. Daily

Additional Voices (voice)

2 episodes

Dina Sherman

Additional Voices (voice)

2 episodes

Cristina Pucelli

Additional Voices (voice)

2 episodes

Rich Fulcher

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

2 episodes

Kelsy Abbott

Additional Voices (voice) / Lizzy (voice)

2 episodes

John DiMaggio

Jake (voice) / Additional Voices (voice)

2 episodes

Mark Hamill

John Bossman (voice)

2 episodes

Jeff Bennett

Additional Voices (voice) / Joey (voice)

2 episodes

Fred Tatasciore

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

2 episodes

Ben Diskin

Additional Voices (voice)

2 episodes

Grant Moninger

Additional Voices (voice)

2 episodes

Kent Osborne

Milton (voice)

1 episode

Justin Roiland

Additional Voices (voice)

1 episode

Buzz Osborne

Buzz (voice)

1 episode

Dale Crover

Dale (voice)

1 episode

Jose Altuve

Self (voice)

1 episode

Noah Syndergaard

Self (voice)

1 episode

Marky Ramone

Self (voice)

1 episode

Robert Rodriguez

Self (voice)

1 episode

Tim Blaney

Additional Voices (voice)

1 episode

Shaquille O'Neal

Shaquille O'Neal (voice)

1 episode

Jessika Van

Akira / Additional Voices (voice)

1 episode

Ken Marino

Christopher Columbus (voice)

1 episode

Tone Loc

Moonman (voice)

1 episode

Henry Rollins

Skeletony (voice)

1 episode

Ric Flair

Ric Flair (voice)

1 episode

Tia Carrere

Additional Voices (voice)

1 episode

Paul Rugg

Troll (voice)

1 episode

Jackie Buscarino

Jackie (voice)

1 episode

Piers Stubbs

English Muffinz (voice)

1 episode

Kelley Jakle

Additional Voices (voice)

1 episode

Andrew W.K.

Andrew W.K. (voice)

1 episode

Billy West

Nubert / Additional Voices (voice)

1 episode

Mr. Lawrence

Additional Voices (voice)

1 episode

Pendleton Ward

Uncle Grandpa / Pizza Steve (voice)

1 episode

'Weird Al' Yankovic

Weird Pal (voice)

1 episode

Tommy Chong

Bottom Bag (voice)

1 episode

Jonah Ray Rodrigues

Birdman / Baby Birdman (voice)

1 episode

Keith David

Santa Claus (voice)

1 episode

Henry Winkler

Nacho Cheese (voice)

1 episode

Regis Philbin

Easter Bunny (voice)

1 episode

Sal Governale

Salvador (voice)

1 episode

Richard Christy

Rick (voice)

1 episode

MC Hammer

MC Hammer (voice)

1 episode

Natalie Palamides

Buttercup (voice)

1 episode

Zach Callison

Steven Universe (voice)

1 episode

Jess Harnell

Additional Voices (voice)

1 episode

Steve Little

Additional Voices (voice)

1 episode

Christopher Alan Archer

Self (voice)

1 episode

Corey Burton

Additional Voices (voice)

1 episode

Cindy Robinson

Additional Voices (voice)

1 episode

Phil LaMarr

Additional Voices (voice)

1 episode

Mark Bodnar

Additional Voices (voice)

1 episode

Tress MacNeille

Kimmy / Additional Voices (voice)

1 episode

Maile Flanagan

Ricky / Additional Voices (voice)

1 episode

Dave Wittenberg

Additional Voices (voice)

1 episode

Armin Shimerman

Additional Voices (voice)

1 episode

Greg Proops

Cupid (voice)

1 episode

Jennifer Hale

Additional Voices (voice)

1 episode

Lauren Tom

Wen / Additional Voices (voice)

1 episode

Tyler, The Creator

Additional Voices (voice)

1 episode

Angel Deradoorian

Additional Voices (voice)

1 episode

Arlene Deradoorian

Additional Voices (voice)

1 episode

Bill Moseley

Additional Voices (voice)

1 episode

J.J. Villard

Additional Voices (voice)

1 episode

Audrey Wasilewski

Additional Voices (voice)

1 episode

Jason Spisak

Additional Voices (voice)

1 episode

Robert Englund

Boogie Man (voice)

1 episode

Tom Browngardt

Additional Voices (voice)

1 episode

Myke Chilian

Additional Voices (voice)

1 episode

Anders Holm

Deep Dish Dave (voice)

1 episode

Blake Anderson

Ciabatta (voice)

1 episode

Sunil Malhotra

Samir (voice)

1 episode

Zachary Gordon

Belly (Boy) (voice)

1 episode