Eve Hewson

Flora

Orén Kinlan

Max

Joseph Gordon-Levitt

Jeff

Jack Reynor

Ian

Marcella Plunkett

Kathy

Paul Reid

Kev

Don Wycherley

Guard

Amy Huberman

Aishling

Callan Cummins

Teenager in Music Shop

Sophie Vavasseur

Juanita

Margarita Murphy

Lawyer

Alex Deegan

Samantha

Keith McErlean

Barry

Ruairí Heading

Neighbour 2

Ailbhe Cowley

Young Woman (Defendant in Court)

Marcus Lamb

George Rooney

Aislín McGuckin

Judge McGovern

Stephen Jones

Therapist

Kelly Thornton

Heart

Joni Mitchell

Self (archive footage) (uncredited)

Katy Perry

Self (archive footage) (uncredited)

Lionel Richie

Self (archive footage) (uncredited)

Luke Bryan

Self (archive footage) (uncredited)

Tom Delahunty

Smoking Customer (uncredited)