Evanna Lynch as Emily

Michael Smiley as Robert

George Webster as Arden

Deirdre Mullins as Emily's Mother

Cathy Belton as Greasy Haired Teacher

Martin McCann as Swimming Teacher

Barry McGovern as Dr. Golding

Stella McCusker as Granny

Declan Conlon as Arden's father

Dónall Ó Héalai as Young Policeman

Ally Ní Chiárain as June

Laura Matassa as Midwife

John Travers as Square Head

Sarah Minto as Young Emily

Michael Hough as Peter Spade

Ali White as Arden's Mother

Millie Donnelly as Newborn Emily

Ann Marie Murray as Robert's school Groupie

Catherine Walsh as Nurse

Loui Vangelder as Steve

Sadie Fitzmaurice as Toddler Emily

Hunter Fitzmaurice as Toddler Emily

Conor Knox as Male Student

Kai Power as Young Arden

Kate Parry as Trapeze Artist

Bobby Calloway as Bored Student (uncredited)

Meghan Jones as Girl Swimming (uncredited)

Peter Robbie as Fan in Bookshop (uncredited)