On the ball! Cattolica , Italy : Holding a monster beach ball aloft are the Vernon Girls , dancing stars of " Oh Boy " , the hit TV show . The girls know where the sun shines best - here they are in the seaside resort of Cattolica getting a golden tan by the blue Mediterranean . After their vacation they come back to town to start TV engagements throughout September . From left the girls are ; Ann O ' Brien of Cheshire , Margaret Stredder of Birkenhead , Mary Redmond of Birkenhead and Betty Prescott of Bootle , Lancashire . 1959