Casey Kasem, who entertained radio listeners for almost four decades as the host of countdown shows such as "American Top 40" and "Casey's Top 40," died early Sunday, June 15, 2014, according to a Facebook post from his daughter Kerri Kasem. Eric Jamison/AP
Kasem, the legendary DJ, host and voice-over talent, was born in Detroit and got his start at Michigan radio stations. Here he is in the DJ booth at Detroit's WJBK in 1957. Allan H. Plant/Michael Ochs Archives/Getty Images
Kasem moved to the West Coast in the early '60s. He hosted the KTLA music show "Shebang!" in Los Angeles in 1965. Michael Ochs Archives/Getty Images
Kasem was also an actor, though his films weren't necessarily Oscar material. In 1971, he starred in "The Incredible 2-Headed Transplant" with Berry Kroeger, left, and Bruce Dern. American International Pictures/Getty Images
He made occasional TV guest appearances as well. "The Mystery of the Hollywood Phantom," an episode of "The Hardy Boys Mysteries" in which Kasem affected a Columbo-like persona, also starred Pamela Sue Martin (as Nancy Drew) and Parker Stevenson (as Frank Hardy). ABC Photo Archives/Getty Images
Kasem married Jean Thompson in 1980. The LIFE Picture Collection/Getty Images
Casey and Jean Kasem attend the 21st Annual International Broadcasting Awards in Century City, California, in 1981. Ron Galella/WireImage/Getty
Casey and Jean Kasem are shown with children Kerri Kasem, Michael Kasem and Julie Kasem at the Lebanon-Syrian American Society of Greater Los Angeles Man of the Year Awards in Beverly Hills, California, in 1985. The children are all from Casey Kasem's first marriage, to Linda Myers. Ron Galella/WireImage/Getty
Casey and Jean Kasem were frequent participants in the Hollywood social circuit. Here, they attend the Stars 'N Hearts Benefit Fund-raiser for Animals in 1982. Ron Galella/WireImage/Getty
Kasem was an in-demand voice-over artist. He's probably best known for supplying the voice of Shaggy in the "Scooby-Doo" cartoon series. Jean-Paul Aussenard/WireImage/Getty
Kasem hosted a number of countdown shows, including "American Top 40," "Casey's Top 40" and "America's Top 10." He handed off "AT40" to Ryan Seacrest in 2004. Jeff Kravitz/FilmMagic, Inc/Getty
Casey and Jean Kasem ride in the 2007 Hollywood's Santa Parade in Hollywood, California, on November 25, 2007. David Livingston/Getty Images
Even after leaving his long-running radio shows, Kasem stayed active. He attended Fred Segal's birthday charity event and auction at a private residence in Malibu, California, on August 29, 2009. Michael Bezjian/WireImage