Possible Clues:

• Top performer playing in Ramsgate
• Famous personality playing games on pitch
• Jack played games making the introduction for major celeb
• Mike Wise, upset with career at sea, can't be described as a nobody
• Big, big name
• Margaret, a very good type, a right “superperson”
• Margaret when meeting sailor is a dazzling personality
• Box office draw
• Gossip column regular
• 11, perhaps, fixed games with sailor