Martin Moone is a young boy who relies on the help of his imaginary friend Sean to deal with the quandaries of life in a wacky small-town Irish family in the 1980's.

• Chris O'Dowd
• David Rawle
• Deirdre O'Kane
• Clare Monnelly
• Aoife Duffin
• Ian O'Reilly
• Sarah White
• Peter McDonald