Roger Craig Smith
Sonic / Additional Voices (voice)
Sonic Boom
Sonic, Tails, Amy, Knuckles e Sticks residem em Bygone Island e devem defender a aldeia sem nome em que vivem de várias ameaças, incluindo o cientista louco Dr. Eggman e suas criações robóticas.
Elenco
Colleen O'Shaughnessey
Tails / Additional Voices (voice)
Travis Willingham
Knuckles / Additional Voices (voice)
Cindy Robinson
Amy Rose / Additional Voices (voice)
Nika Futterman
Sticks / Additional Voices (voice)
Mike Pollock
Dr. Eggman / Additional Voices (voice)
Kirk Thornton
Orbot / Additional Voices (voice)
Wally Wingert
Cubot / Additional Voices (voice)
Bill Freiberger
Comedy Chimp / Lady Walrus (voice)
Robbie Rist
Swifty the Shrew (voice)
