Felicity Jones as Kim Matthews

Ed Westwick as Jonny Madsen

Brooke Shields as Caroline Madsen

Bill Nighy as Richard Madsen

Tamsin Egerton as Georgie

Bill Bailey as Bill Matthews

Sophia Bush as Chloe

Tom Goodman-Hill as Les

Nicholas Braun as Nigel

Georgia King as Jules

Gregor Bloéb as Bernhard

Adam Bousdoukos as Willy

Ken Duken as Mikki

Jo Martin as Lexi

Rebecca Lacey as Thea

Chandra Ruegg as Trace

Alex MacQueen as Malcolm

Mike Goodenough as Lawrence

Steve Furst as Charles

Graham Lee as Lord Marberry

Tara Dakides as Herself

Patrick Finger as Race Guy

Angela Curran as Interviewer 1

Jessica Hynes as Interviewer 2

Christian Stevenson as Competition Compère

Jasmin Wilson as TV Presenter

Miquita Oliver as Herself - T4 Presenter

Rick Edwards as Himself - T4 Presenter

Beukes Willemse as Livingston Guitarist

Sandra von Ruffin as Starter

Nora Rieser as Gudrun, Burger Girl

Amber Atherton as Posh Girl

Georgie Marsh as Posh Girl

Hattie Hendrick as Posh Girl

Daisy Carpenter as Posh Girl

Millie Maidens as Posh Girl

Helen Duckhouse as Posh Girl

Alexandra Carlson as Posh Girl

Kaye Allen as Posh Girl (as Kaye Affrescoe)

Aline Bock as Roxy Rider

Kjersti Buaas as Roxy Rider

Tania Detomas as Roxy Rider

Aimee Fuller as Roxy Rider

Silje Norendal as Roxy Rider

Margot Rozies as Roxy Rider

Ava Vaughn as 2 year old Kim

Annika Vrklan as 7 year old Kim

Julia Jentsch as The Race Starter (uncredited)