Tom Sturridge as Carl

Philip Seymour Hoffman as The Count

Rhys Ifans as Gavin

Bill Nighy as Quentin

Emma Thompson as Charlotte

Nick Frost as Dave

Kenneth Branagh as Dormandy

January Jones as Eleonore

Gemma Arterton as Desiree

Jack Davenport as Twatt

Rhys Darby as Angus

Chris O'Dowd as Simon

Katherine Parkinson as Felicity

Katie Lyons as Angus' Boat Girl

Tom Wisdom as Mark

Will Adamsdale as News John

Tom Brooke as Thick Kevin

Ralph Brown as Bob

Ike Hamilton as Harold

Sinead Matthews as Miss C

Talulah Riley as Marianne

Michael Hadley as Mr. Roberts

Charlie Rowe as James

Lucy Fleming as Mrs. Roberts

Ian Mercer as Transfer Boatman

Francesca Longrigg as Mrs. Dormandy

Poppy Delevingne as Model

David Sterne as Marianne's Captain

Olivia Llewellyn as Margaret

William Ilkley as Commanding officer

Michael Thomas as Sandford

Chrissie Wunna as Model (uncredited)

Stephen Moore as Prime Minister