Orlando Bloom as The Boxer

Caitríona Balfe as Caitlin Harney

John Turturro as Boz

Gary Beadle as Donny

Clare Dunne as Mother

Ed Kear as Manny

Mohammed Mansaray as Lupe

Oliver Trevena as Jay

Andonis Anthony as Paolo

Gemma Acosta as Waitress

Eric D. Smith as Young Boxer

Chris Ginesi as Commentator

Kaine Zajaz as Bobby

James Wright as Audience Member

Danielle Lewis as Director of Marketing

Neil Alexander Smith as Donny's Security

Daniel Subin as Photographer 1

Adam Burkholder as Photographer 2

Billy Herring as Commentator UK

Alexsia Lana Cheung as Hospital Patient

Tabitha Green as Ring Girl

Aaron Gray as Entourage

Jonathan Millard as Master of Ceremonies

Luca Roldan as Hospital Patient

Benjamin Fowler as Hotel Guest (uncredited)