Credit Only Frank Welker voices Various Vernee Watson voices Various Pat Fraley voices Various Bob Holt voices Various Stanley Ralph Ross voices Various James Reynolds voices Various Stan Jones voices Various Marlene Aragon voices Various Michael Rye voices Various Uncredited Vernee Watson voices University Scientist Casey Kasem voices Justice League Computer William Woodson voices South American Villager Shannon Farnon voices Evil Wonder Woman Shannon Farnon voices Sergeant Ritter