Alfred Enoch as Adam

Kaya Scodelario as Emma

Timothy Spall as Ray

Jack Donoghue as Dean

Steve Oram as Conductor

Alexandra Roach as Amanda

Robert Emms as Paul

Rebecca Root as Miranda

Joanna Scanlan as Linda

Ben Miller as Jonathan

Sarah Niles as Judith

Jeremy Irvine as Simon

Nadia Parkes as Suzy

Clinton Liberty as Michael

Kriss Dillon as Piers

Yassine Mkhichen as Tarek

Virginia Thompson as Fay

Laura Aikman as Polly

Tom Turner as Tim

Cordelia Bugeja as Jemima

Stanley MacDermott as Ray's Grandson

Joelle Coutinho as Miranda's Assistant

Tom Phillips as Waiter

Terence Hughes as Passerby (uncredited)