Overview: Guests: --On film: Mario Lanza - (1) In Rome, Lanza talks to Ed about the film ""7 Hills of Rome"" (2) Film clip: Lanza sings ""Arrivaderci Roma"" --Marisa Allasio (Italian actress from ""7 Hills of Rome"") - appears on stage with Ed. (Listed as ""Marissa Alotsio"" on transcript.) --Kirby Stone Quartet - ""It's A Really Big Show"" (performed with Ed Sullivan at opening of show) --Kirby Stone Quartet - ""It's Wonderful"" (song performed towards end of show. This version of ""It's Wonderful"" is about 2 snakes.) --Julie Wilson - ""I've Got To Sing"" and ""All The Way"" --Ballet De Florence & Frederick (3 men and women ballet dancers) --Valerie Clark - ""You're The Greatest"" --Clifford Guest (ventriloquist) (1) Dummy trapped in suitcase; (2) He re-appears later in show pretending to hold a baby in his arms. Makes a crying noises, belches. --Harrison And Kossi (ice skaters) - skate to ""Midnight In Paris."" Also, re-appears later in show. --Dario Cassini (opera singer) - ""Could My Heart Still