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