 He provided the voices for both the King and the Grand Duke in Walt Disney's animated film "Cinderella" (1950).Van Rooten found steady work doing narration in addition to acting in live television and radio dramas, such as "The Affairs of Peter Salem", "The Mysterious Traveler" and "I Love a Mystery", particularly as "The Maestro" in the 1949 story "Bury Your Dead, Arizona" and as ranch foreman "Jasper" in the 1950 story "The Battle of the Century".He portrayed the evil Roxor in the late 1940s revival of the radio serial "Chandu the Magician" and portrayed the title character's sidekick, Denny, in "Bulldog Drummond".