Gumball Watterson
Logan Grove*
Gumball Watterson
Logan Grove
Granny Jojo
Sandra Dickinson
Darwin
Kwesi Boakye
Laurence 'Larry' Needlemeyer
Kerry Shale
Anais Watterson
Kyla Rae Kowalewski
Richard Watterson
Dan Russell
Nicole Watterson
Teresa Gallagher
Carrie Krueger
Jessica McDonald
Mr. Robinson / Tina Rex / Gaylord Robinson (voice)
Stefan Ashton Frank
Lewis Macleod
Gillian Hanna
Gumball Watterson (voice) / Gumball Watterson / Chi Chi
Jacob Hopkins
Darwin Watterson / Ribbit / Darwin Watterson (voice)
Terrell Ransom Jr.
Tony Beck
Laurence "Larry" Needlemeyer
Rupert Degas
Gumball Watterson (voice)
Nicolas Cantu
Dr. Wrecker (voice)
David Warner
George
J.R. Richard
Frankie Watterson (voice)
Rich Fulcher
Eric Edelstein
Narrator (voice)
Derek Jacobi
Demetri Martin
Bobby Moynihan
Darwin Watterson (voice)
Donielle T. Hansley Jr.
Superintendent Evil
Garrick Hagon
Howdy (voice
Becky Sloan
Grady / Frank (voice
Baker Terry