Hadley Kay (born c. 1972/1973)^[2] is a Canadian film, stage, television, and voice actor best known for his appearances in The Care Bears Movie, Care Bears Movie II: A New Generation, and Popples.

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At age six, he made his film debut opposite Bill Murray in the 1979 comedy Meatballs. Kay also appeared in Superman II,^[2] the Star Wars-based animated series Ewoks, Inspector Gadget, Beverly Hills Teens, and the earlier The Raccoons specials. Kay was the first voice actor to provide the voice of Scooby-Doo following the death of Don Messick. His other television credits include guest appearances in The Littlest Hobo, Bizarre, Kung Fu: The Legend Continues, Bakugan: Gundalian Invaders and Bakugan: Mechtanium Surge.