Kadro (20)
Yuri LowenthalBen Tennyson (voice)
Ashley JohnsonGwen Tennyson (voice)
Greg CipesKevin Levin (voice)
Tim CurryDr. Chadwick / Knight #2 (voice)
Vicki LewisSerena (voice)
Kevin ConroyBellicus / Warrior 2 (voice)
Scott MenvilleJT (voice)
Ioan GruffuddDevin Levin / Robot Guard (voice)
Wil WheatonDarkstar (voice)
John DiMaggioRath (voice)
Alexander PolinskyArgit (voice)
Kamali MinterTrina / Zombie Girls (voice)
Kim Mai GuestLucy / Zombie Girls (voice)
Diane DelanoEdna / DNAlien #1 (voice)
Will FriedleKen / Shem (voice)
Rob PaulsenAlien Pilot / Cotton Candy Vendor / Patrolman (voice)
Zeno RobinsonAlan Albright (voice)
George NewbernFrank (voice)
Barbara BainVerdona (voice)
Matt LevinCash (voice)