Elliot Page

Abbie

Sam Keeley

Senan

Tom Vaughan-Lawlor

Conor

Stuart Graham

Cantor

Paula Malcomson

Dr. Lyons

Lesley Conroy

Katie

Natalia Kostrzewa

Allison

Hilda Fay

Jo Landecker

Barry McGovern

Patrick Ryan

Art Campion

Luke

Oscar Nolan

Cillian

Chelsea Debo

Cured Wife

Frank Cannon

Garda / Ranger / Zombie / UN Soldier

Amy De Bhrún

American Journalist (uncredited)

Tadhg Devery

Soldier

Keith Jordan

Special Extra

Jamie McClean

Special Extra

TJ O'Grady-Peyton

Husband