American radio personality and voice actor. Hosts four weekly syndicated radio programs based on the popular "American Top 40" franchise, which he founded in 1970. "American Top 20" with Casey Kasem, "American Top 10" with Casey Kasem, Casey Kasem's "American Top 40: The 70s", and Casey Kasem's "American Top 40: The 80s".

His voice became highly sought-after for commercials and the voices of TV cartoon characters like "Shaggy" in the Scooby Doo series.