Muppet Show guest stars who did not sing

The following guest stars did not sing at all when they guets starred on The Muppet Show:


 * Juliet Prowse (though she did sing in the extended version of the theme, which wasn't included in the broadcast version)
 * Harvey Korman
 * Peter Ustinov
 * Phyllis Diller
 * Mummenshaz
 * Don Knotts
 * John Cleese
 * Shields and Yarnell