Emilia Clarke (Louisa Clark), Sam Claflin (William Traynor), Janet McTeer (Camilla Traynor), Charles Dance (Steven Traynor), Brendan Coyle (Bernard Clark), Jenna Coleman (Katrina Clark), Matthew Lewis (Patrick), Ben Lloyd-Hughes (Rupert Freshnell), Vanessa Kirby (Alicia Dewar), Chuku Modu (Nadil), Gino Picciano (Geschäftsmann), Joanna Lumley (Mary Rawlinson), Muzz Khan (Syed), Richard Goulding (Freddie), Samantha Spiro (Jodie Clark), Lily Travers (Karen), Stephen Peacocke (Nathan), Verity Marshall (Anna), Yumiko Hanasaka (Freundin der Braut), Hannah Flynn (Weitspringerin), Alexander Cooper (Fluggast / Buspassagier), Amber Elizabeth (Flugbegleiterin), Alan Breck (Großvater), Tony Paul West (Geschäftsreisender), Mohammed Alì (Renngast), Matthew John Morley (Fußballer), Emily Doherty (Nachbarin)