Sonic Boom

Roger Craig Smith

Sonic / Additional Voices (voice)

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 and Lady Walrus (voice)

Robbie Rist

Swifty the Shrew (voice)