From London: --Des O'Connor (Summer 1971 host) - sings ""Tennessee Birdwalk,"" ""Dream,"" ""The One I Love,"" ""You'll Never Know,"" ""I Think of You,"" ""Unchained Melody,"" ""Anytime"" & ""Rambling Rose."" --Dom DeLuise (4th of 4 appearances) - in a sketch, plays a policeman trying to arrest a woman (Connie Stevens) for littering. --John Le Mesurier (British TV star) --Connie Stevens (series regular) - ""Pocketful of Keys"" & ""For Once in My Life""