--Des O'Connor (Summer 1970 host) - ""Mona Lisa,"" ""Didn't We?"" ""Call Me"" ""The Impossible Dream,"" ""Me and My Shadow"" & ""Portrait of My Love"" --Julie London - ""Softly, As I Leave You"" & ""Daddy"" --Terry-Thomas - medley: ""Thank Heaven for Little Girls,"" ""Under the Bridges of Paris,"" ""Wand'rin' Star"" & ""Tip-Toe Through the Tulips"" --Jo Anne Worley (comedian, from ""Laugh-In"") - ""I Want a Lot of Everything"" Series regulars (Summer 1970): --Jack Douglas --The MacGregor Brothers --Jim Couton --Rex