Question: Who does the voice of alex in madagascar?
Disambiguated questions and answers: question: Who does the voice of Alex in Madagascar films and TV specials?
Who does the voice of Alex in the first Madagascar video game and spin-offs ?
Who does the voice of Alex as a cub in Madagascar?
Who does the voice of Alex in the second and third Madagascar video games?
answer: Ben Stiller
Wally Wingert
Quinn Dempsey Stiller, Declan Swift
Crispin Freeman
Natural Questions answer: Ben Stiller (from the Wikipedia article "Madagascar (2005 film)")