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