A boy growing up in Dublin during the 1980s escapes his strained family life by starting a band to impress the mysterious girl he likes.
Ferdia Walsh-Peelo
as Conor "Cosmo" Lawlor
Lucy Boynton
as Raphina
Jack Reynor
as Brendan Lawlor
Ben Carolan
as Darren
Mark McKenna
as Eamon
Kelly Thornton
as Ann Lawlor
Maria Doyle Kennedy
as Penny Lawlor
Aidan Gillen
as Robert Lawlor
Ian Kenny
as Barry
Percy Chamburuka
as Ngig
Connor Hamilton
as Larry
Karl Rice
as Garry
