Tom Bosley

Actor -- via TMZ. He will be best remembered as sitcom dad Howard Cunningham on "Happy Days." He got his start in theater, however, winning a Tony Award for his portrayal of Fiorello La Guardia in the now-obscure Bock/Harnick musical "Fiorello!" He did lots of TV, and after "Happy Days" ended, he portrayed continuing characters in "Murder, She Wrote" and "Father Dowling Mysteries." He narrated "That's Hollywood," a syndicated series on American film. He was a pitchman for many products on TV commercials as well.
Here's the beginning of a long interview with him: