Gumball Watterson (voice)

Logan Grove

Gumball Watterson

Jeong Yoo-gang

Richard Watterson (voice)

Dan Russell

Darwin Watterson

An Jinhyun

Darwin Watterson (voice)

Kwesi Boakye

Anais Watterson

Kim Li-heun

Nicole Watterson (voice)

Teresa Gallagher

Anais Watterson

Kyla Rae Kowalewski

Nicole Watterson

Min-a

Anais Watterson (voice)

Kyla Kowalewski

Granny Jojo (voice)

Sandra Dickinson

Richard Watterson

Lee Jang-won

Penny Fitzgerald

Kim Yeonwoo

Larry Needlemeyer (voice)

Kerry Shale

Gumball Watterson (voice)

Jacob Hopkins

Carrie Krueger (voice)

Jessica McDonald

Darwin Watterson (voice)

Terrell Ransom Jr.

Mr. Robinson / Tina Rex (voice)

Stefan Ashton Frank

Fergus Craig

Hugo Harold-Harrison

Dr. Wrecker (voice)

David Warner

Gumball Watterson (voice)

Nicolas Cantu

Charles Philippe

Lewis Macleod

Darwin Watterson (voice)

Christian J. Simon

Gillian Hanna

Darwin Watterson (voice)

Donielle T. Hansley Jr.

Mr. Robinson (voice)

Rupert Degas

Mic Graves

Willie Dowling

Ben Bocquelet

Frankie Watterson (voice)

Rich Fulcher

Ben Locket

Mayor (voice) / Superintendent Evil

Garrick Hagon

Ellen Collins

Narrator (voice)

Derek Jacobi

Louise Coats

Ciaran Murtagh

Joe Parham

Jess Ransom

Tony Beck

Sarah Kunze

Tobi Wilson

Banana Joe/Leonard Daniels/Clown

Scott Menville

Michael Iwannek

Alix Wilton Regan

Khary Payton

Sabine Arnhold

Alex Jordan

Steve Furst

Richard Overall

Hans-Christian Straka

Richard Watterson

Leonhard Nikolai Rosemann

Alexandra Jordan

Shane Rimmer

Anthony Hull

Adam Long

Grady / Frank (voice

Baker Terry