My Idea voice cast. Megaman: Andrew Francis Roll: Tabitha St. Germain Rush: (speaking voice) Terry Klasson Dr. Light: Jim Byrnes Protoman: Scott McNeil or Matt Hill Dr. Wily: Scott McNeil (no questions) Mega Mini/Aki Light: Debi Derryberry Dr. Cossack: Paul Elding Kalinka Cossack: Rebecca Shoichet Bass: oh boy, Brian Drummond Treble: (vocals of) Vic Mignogna