Gerard Barrett Director, Screenwriter, Executive Producer Jack Reynor John Actor Toni Collette Jean Actor Will Poulter Shane Actor Michael Smiley Jim Actor Harry Nagle Kit Actor Joe Mullins Taxi Driver Actor Shashi Rami Dr. Shakra Actor Jack Barrett Shane's son Actor Ed Guiney Producer Juliette Bonass Producer Andrew Lowe Executive Producer Piers McGrail Cinematographer Nathan Nugent Film Editing Stephanie Clerkin Production Design Leonie Prendergast Costume Design Patricia Douglas Art Director Louise Kiely Casting