Host: Don Adams --Janis Joplin (with Big Brother & the Holding Company) - ""Summertime"" & ""Why"" (another source listed the 2nd song as ""I Need A Man to Love"") --Barbara Eden - sings ""Big, Beautiful Ball"" --Arte Johnson (comedian, in character as Rozmenko, the singing Russian) - ""Mame"" --Brothers Castro (singers from Mexico) - ""Michelle"" & ""Por Usted"" --The Dovyeko Company (acrobats on stilts from the Moscow State Circus)
