William Callaway William Callaway Actor Biography There is no information about «William Callaway» yet. Roles Aquaman (Actor) The Super Powers Team: Galactic Guardians Aquaman (Actor) Challenge of the SuperFriends Bizarro (Actor) Challenge of the SuperFriends Clumsy Smurf (Actor) The Smurfs Aquaman (Actor) The World's Greatest Super Friends! Ming the Merciless/Kurt Walker (Actor) Defenders of the Earth Rumpley (Actor) Droopy: Master Detective Lieutenant Sparks (Actor) Sealab 2020