Tim Roth as Archie

Eloise Laurence as Skunk

Cillian Murphy as Mike Kiernan

Zana Marjanović as Kasia

Robert Emms as Rick Buckley

Rory Kinnear as Bob Oswald

Rosalie Kosky as Susan Oswald

Bill Milner as Jed

Denis Lawson as Mr. Buckley

Clare Burt as Mrs. Buckley

George Sargeant as Dillon

Faye Daveney as Saskia

Martha Bryant as Sunrise

Lily James as Older Skunk

Nick Holder as Dave Toad

Nell Tiger Free as Anna

Seeta Indrani as Dr. Mortimer

Alicia Woodhouse as Dancer

Michael Shaeffer as Desk Sergeant

David Webber as Policeman

Andrew Frame as DC Carson

Severn Bran as Fiona Torby

Andrew Maud as Mr. McClusky

Rory Girvan as Wayne

Joshua Warner-Campbell as Kevin

Lino Facioli as Stephen

Penny Layden as DC Jenks

Nicola Sloane as Dr. Sinclair

Paul Thornley as Policeman 1