Tara Strong

Character: Ben Tennyson / Upgrade / Sandra Tennyson / Computer (voice)

Meagan Moore

Character: Gwen Tennyson / Girl Student (voice)

Paul Eiding

Character: Grandpa Max (voice)

Dee Bradley Baker

Character: Stinkfly / Vulpimancers / Carl Tennyson / Cash Murray (voice)

Steve Blum

Character: Heatblast / Mechamorph

Jim Ward

Character: Diamondhead

Richard McGonagle

Character: Four Arms / Ben’s Teacher (voice)

Fred Tatasciore

Character: Way Big / Evil Way Big (voice)

Richard Steven Horvitz

Character: Grey Matter / Dispatcher (voice)

Dave Fennoy

Character: Tetrax (voice)

Dwight Schultz

Character: Dr. Animo (voice)

Adam Wylie

Character: JT (voice)

Robert David Hall

Character: Azmuth (voice)

Troy Baker

Character: Retaliator / Boy Student (voice)