Maria, Dermot, and their son Johnny live in West Belfast. Their conventional, straightforward family life is jolted when Johnny tells his Mum that he wants to wear a dress for his upcoming First Holy Communion.
| Actor | Role |
|---|---|
 Roisin GallagherMaria | Maria |
 Martin McCannDermot | Dermot |
| DDaniel WillisJohnny | Johnny |
 Tara Lynne O'NeillMrs. Wilson | Mrs. Wilson |
 Tracey LynchFrankie | Frankie |
| SSean KearnsFather Sheeran | Father Sheeran |
| DDarcey McNeeleyLucy | Lucy |
 Seamus O'HaraStephen | Stephen |