Christian Ditter Director Lily Collins Rosie Dunne Actor Sam Claflin Alex Stewart Actor Christian Cooke Greg Actor Art Parkinson Gary Dunn Actor Suki Waterhouse Bethany Williams Actor Tamsin Egerton Sally Actor Jaime Winstone Ruby Actor Nick Lee Herb Actor Lily Laight Katie Dunn Actor Juliette Towhidi Screenwriter Simon Brooks Producer Don Carmody Producer James Flynn Producer Robert Kulzer Producer Martin Moszkowicz Executive Producer Christian Rein Cinematographer Ralf Wengenmayr Original Music Tony Cranstoun Film Editing Gail Stevens Casting Matthew Davies Production Design Judy Farr Set Decoration