He was the Chief Inspector in The Pink Panther movies, sure. But more importantly, he was the child of Karl ze Schluderpacheru and his spouse Olga née Gottlieb who were members of Austrian nobility. If that's not celebrity, then we don't know what is.
She was a hugely successful fashion editor who published her memoirs under the title "No Time To Die." That, however, was last year.
(d) April 21st, 1999