Sam Claflin Alex Stewart
Lily Collins Rosie Dunne
Christian Cooke Greg
Jean Frenette Stunt Coordinator
Lara McDonnell Rosie (10 yrs)
Art Parkinson Gary Dunne
Suki Waterhouse Bethany Williams
Jake Manley Alex's Boston Friend 1
Leonie Prendergast Costume Design
Jaime Winstone Ruby
Jamie Beamish Phil
Martin Moszkowicz Executive Producer
Robert Kulzer Producer
Tamsin Egerton Sally
Lorcan Cranitch Dennis Dunne
Sean Condren Stunts
Christian Ditter Director
Damien Devaney Man in the Lift
Judy Farr Set Decoration
David Crowley Policeman Adam
Cecelia Ahern Novel
Ger Ryan Alice Dunne
Kris Edlund Airline Official
Lily Laight Katie (12 yrs)
Jan Thijs Still Photographer
Gail Stevens Casting
Fiona Starogardzki First Assistant Editor
Eimear O'Grady Stunt Double
Róisín O'Donovan Midwife
Juliette Towhidi Screenplay
Aoife Byrne Stunt Double
Marion O'Dwyer Mrs. Casey
Ciaran McGlynn Dick
Michael Hinreiner Sound Re-Recording Mixer
Barry O'Sullivan Production Sound Mixer
Emma Condren Stunts
Jonathan Hession Still Photographer
Tony Cranstoun Editor
Rosa Molloy Katie (5 yrs)
Nick Lee Herb
Kathleen Weir Script Supervisor
Christian Rein Director of Photography
Ralf Wengenmayr Original Music Composer
Heiko Müller Supervising Sound Editor
Sadbh Malin Clare
Jemma Curran Rosie's friend (uncredited)
Robbie O'Brien Stunts
Matthew Davies Production Design
Markus Eckert Steadicam Operator
Joe Condren Stunt Coordinator
Jusin Holmes Jonathan
Matthew Dillon Toby (12 yrs)
Stephen Mullan Hotel Manager
Aaron Kinsella Toby (6 yrs)
Nina Knott Visual Effects Producer
Bobby Aherne Rosie's Friend
Tighe Wardell Alex (6 yrs)
Simon Brooks Producer
Mario Hubert Sound Designer
Pia Hoffmann Music Supervisor
Beau Rose Garratt Rosie (6 yrs)
Max Cleary Joey Dunne
Tom John Kelly Alex (10 yrs)
Aran Condren Stunts
Fabian Jonathan Art Direction