Firebreather

Dana Delany

Margaret Rosenblatt (voice)

Jesse Head

Duncan Rosenblatt (voice)

Dante Basco

Kenny Rogers (voice)

Grey DeLisle

Ms. Dreakford (voice)

Reed Diamond

Barnes (voice)

?

Billy Evans

Steve (voice)

Josh Keaton

Troy (voice)

?

Jameson Moss

Big Rob (voice)

Kevin Michael Richardson

Belloc (voice)

Nicole Sullivan

Dr. Pytel (voice)

?

Tom Tartamella

Whitey (voice)

Tia Texada

Isabel (voice)

Gary Anthony Williams

Principal Dave / Troy's Dad (voice)

Amy Davidson

Jenna (voice)

Frank Welker

Dragon 1 (voice, uncredited)