watch 01:16 The Loop (Movies) Do you like this video? Michael Wallis. Michael Wallis (born October 7, 1945) is an American journalist, popular historian, author, speaker, and voice actor who performed the voice of Sheriff in Cars, Mater and the Ghostlight, Cars 2 and Cars 3. He's also a professional journalist. External Links IMDb Retrieved from "https://pixar.fandom.com/wiki/Michael_Wallis?oldid=184035" Categories: Cars Actors Cars 2 Actors Cars 3 Actors Shorts Actors Cars Toons Actors Community content is available under CC-BY-SA unless otherwise noted.