If you blinked at the wrong time, you probably missed Ben Stein's appearance in Menace, as a nameless boss in a company meeting. But if you did see him, it was quite the pleasant surprise to see Ferris Bueller's teacher milling about, even if only for a brief while.
For a guy who's technically a lawyer and speechwriter, Stein has a super-enviable film repertoire. In addition to Bueller and Menace, Stein's been in The Mask, Richie Rich, and basically everything else, ever. If a movie, TV show, or cartoon needed a droning, monotonous voice for a particular role, Stein was their boring guy. Probably the only reason you use Clear Eyes is because Stein dryly declared them "awwweeesommmeeee." He also hosted his own game show, Win Ben Stein's Money, where contestants could literally do just that. If they won, Stein didn't get paid for that episode, and the winning contestant got his pay instead. Wow.
Today, in addition to acting, Stein has made a name for himself as a conservative political commentator, and he's said some pretty extreme stuff. In his documentary Expelled: No Intelligence Allowed, he argued that science and evolution are at least partially responsible for the Holocaust. It's probably better to just remind yourself how funny he was in Animaniacs.