Sam Claflin Alex Stewart
Lily Collins Rosie Dunne
Jake Manley Alex's Boston Friend 1
Art Parkinson Gary Dunne
Christian Cooke Greg
Suki Waterhouse Bethany Williams
Lara McDonnell Rosie (10 yrs)
Robert Kulzer Producer
Eimear O'Grady Stunt Double
Leonie Prendergast Costume Design
Aoife Byrne Stunt Double
Jaime Winstone Ruby
Lily Laight Katie (12 yrs)
Tamsin Egerton Sally
Jamie Beamish Phil
Judy Farr Set Decoration
Jan Thijs Still Photographer
Lorcan Cranitch Dennis Dunne
Sean Condren Stunts
David Crowley Policeman Adam
Mario Hubert Sound Designer
Gail Stevens Casting
Jean Frenette Stunt Coordinator
Christian Ditter Director
Damien Devaney Man in the Lift
Cecelia Ahern Novel
Ger Ryan Alice Dunne
Kris Edlund Airline Official
Martin Moszkowicz Executive Producer
Fiona Starogardzki First Assistant Editor
Róisín O'Donovan Midwife
Juliette Towhidi Screenplay
Sadhbh Malin Clare
Marion O'Dwyer Mrs. Casey
Ciaran McGlynn Dick
Michael Hinreiner Sound Re-Recording Mixer
Barry O'Sullivan Production Sound Mixer
Jonathan Hession Still Photographer
Emma Condren Stunts
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
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
Pia Hoffmann Music Supervisor
Max Cleary Joey Dunne
Beau Rose Garratt Rosie (6 yrs)
Tom John Kelly Alex (10 yrs)
Aran Condren Stunts
Fabian Jonathan Art Direction