Max Irons as Miles Richards

Sam Claflin as Alistair Ryle

Douglas Booth as Harry Villiers

Holliday Grainger as Lauren

Jessica Brown Findlay as Rachel

Natalie Dormer as Charlie

Sam Reid as Hugo Fraser-Tyrwhitt

Tom Hollander as Jeremy Villiers

Freddie Fox as James Leighton-Masters

Gordon Brown as Chris

Olly Alexander as Toby Maitland

Ben Schnetzer as Dimitri Mitropoulos

Matthew Beard as Guy Bellingfield

Jack Farthing as George Balfour

Josh O'Connor as Ed Montgomery

Harry Lloyd as Lord Riot

Amber Anderson as Lady Anne

Vincent Franklin as Porter

Patrick Barlow as Don

Rachel Redford as Hannah

Amanda Fairbank-Hynes as Kerry

Teresa Churcher as Helen

Aki Omoshaybi as Paul

Michael Jibson as Michael

Xavier Atkins as Olly

Andrew Woodall as Alistair's Father

Anastasia Hille as Alistair's Mother

Mary Roscoe as George's Mother

Geraldine Somerville as Miles' Mother

Julian Wadham as Miles' Father

Shola Adewusi as Hospital Nurse

Sarah Crowden as Elderly Woman

Joey Batey as Eager Chap

Samuel West as Tutor

Thomas Arnold as Escott

Miles Jupp as Male Banker

Vera Chok as Female Banker

Tony Way as Mugger

Daniel Kendrick as Young Hooded Man

Justin Edwards as Grumpy Man

Joseph Kloska as Ruby Wedding Man

Liam McKenna as Police Officer #1

Ashley McGuire as Police Officer #2

Harry Attwell as Police Officer #4

James Laurenson as College President