Keith FergusonMegamind (voice) Laura PostRoxanne Ritchi (voice) Josh BrenerOl' Chum (voice) Maya TuttleKeiko Morita (voice) Adam LambertMachiavillain (voice) / Theme Song Performance Emily TunonLady Doppler (voice) Talon WarburtonLord Nighty-Knight (voice) Scott AdsitPierre Pressure (voice) Chris SullivanBehemoth (voice) Tony HaleMel / Mr. Donut (voice) Jeanine MasonChristino Christo (voice) Ross MarquandMusic Man (voice) Eric BauzaBad Guy Brad (voice) Max MittelmanDude Monkey (voice) Kimberly BrooksAdditional Voices (voice) Brent SimonsOriginal Film Writer / 执行制片人 Alan SchoolcraftOriginal Film Writer / 执行制片人 Alex SeaverMain Title Theme Composer Adam LambertMachiavillain (voice) / Theme Song Performance 
