Possible Clues:

• Abbey Theatre playwright
• 'Juno and the Paycock' writer
• Sean .'..... wrote ` `The Shadow of a Gunman' ' (1'5)
• Sean .' ....., author of ` `The Silver Tassie' ' (1'5)
• 'Yes, a company needs to be turned round', says Irish dramatist(1'5)
• Sean ..., author of 'The Plough and the Stars'
• Dramatist makes a return in play, yes, a comedy
• 'Cock-a-Doodle Dandy' playwright
• Sean who wrote 'Juno and the Paycock'
• Seán __, Irish dramatist whose works include Red Roses For Me