Emilia Clarke as Louisa 'Lou' Clark

Sam Claflin as William 'Will' Traynor

Janet McTeer as Camilla Traynor

Charles Dance as Stephen Traynor

Brendan Coyle as Bernard Clark

Jenna Coleman as Katrina 'Treena' Clark

Matthew Lewis as Patrick

Samantha Spiro as Josie Clark

Stephen Peacocke as Nathan

Vanessa Kirby as Alicia Dawares

Ben Lloyd-Hughes as Rupert Collins

Joanna Lumley as Mary Rawlinson

Lily Travers as Karen

Alan Breck as Grandad

Eileen Dunwoodie as Café Customer

Pablo Raybould as Frank

Gabrielle Downey as Daphne

Henri Charles as Thomas Clark

Muzz Khan as Syed

Richard Goulding as Freddie Foster

Diane Morgan as Sharon the Waitress

Stephen Chance as Michael Lawler

Sharon Cherry Ballard as Hotel Receptionist

Chuku Modu as Mauritian Waiter

Verity Marshall as Anna

Manuel Severi as French Waiter

Chris Wilson as Timothy Dawares

Sofia Abbasi as Airport Goer - Driver