Barry Keoghan as Dympna

Cosmo Jarvis as Arm

Niamh Algar as Ursula

Ned Dennehy as Paudi

David Wilmot as Hector

Simone Kirby as June

Anthony Welsh as Rob

Roisin O'Neill as Fatima

Hazel Doupe as Charlie

Toni O'Rourke as Lisa

Liam Carney as Fannigan

Ryan McParland as Needles

Ally Ní Chiárain as Mrs. Dory

Kiljan Moroney as Jack

Brian Doherty as Larry

Rory Quinn as Brandon

Peter Newington as Pool Hall Lad

Brid Brennan as Maire Mirkin

Barry Keane as Rude Passerby

Lee Byford as Limerick Thug (uncredited)

Peggy-Anne Knight as Christina Devers (uncredited)

Christopher Livingstone as Night Clubber (uncredited)

Stephen McDade as Limerick Thug (uncredited)

Stephen McGowan as Limerick Thug (uncredited)

John Paul O'Driscoll as Clubber (uncredited)