Rose Byrne

Character: Nat

Rafe Spall

Character: Josh

Simon Baker

Character: Guy

Anna Faris

Character: Chloe

Stephen Merchant

Character: Danny

Minnie Driver

Character: Naomi

Jason Flemyng

Character: Hugh

Jane Asher

Character: Diana

Terence Harvey

Character: Alec

Nigel Planer

Character: Brian

Clare Higgins

Character: Elaine

Olivia Colman

Character: Linda

Alisha Bailey

Character: Kate

Kerry Howard

Character: Clare

Daisy Haggard

Character: Helen

Tim Key

Character: Alan

Djalenga Scott

Character: Alexandra

Joseph Millson

Character: Charlie

Sue Wallace

Character: Janet

Hasina Haque

Character: Preeta

Pandora Colin

Character: Jane

Anna Skellern

Character: Claudia

Alex Macqueen

Character: Minister

Matilda Thykier

Character: Bridesmaid

Maisy Mazer

Character: Bridesmaid

Kevin Moore

Character: Toastmaster

Daisy Donovan

Character: Partygoer

William Andrews

Character: Joke Thief

Derek Hutchinson

Character: Business Guy

Martin Trenaman

Character: HR Man

Dustin Demri-Burns

Character: Dove Violinist

Clare Welch

Character: Granny

Audrey Nicholson

Character: Woman with Taxi

Peter Mair

Character: Man with Taxi

Martin John King

Character: Roger (uncredited)

Bron James

Character: Wedding Guest (uncredited)

Shaun Lucas

Character: Wedding Guest (uncredited)

Glen Stanway

Character: Wedding Guest (uncredited)

Debra Leigh-Taylor

Character: Wedding Guest / Partygoer (uncredited)

Paul Blackwell

Character: Wedding Waiter (uncredited)

Glenn Webster

Character: Eurostar Staff (uncredited)

Salem Hanna

Character: Bonfire Partygoer (uncredited)

Eva Dagoo

Character: Fireworks Guest (uncredited)

Marcus Sinclair

Character: Pool Bar Patron (uncredited)

Tony Montalbano

Character: Clubber (uncredited)

Shane Salter

Character: Christmas Party Guest (uncredited)

June Smith

Character: Christmas Party Reveler (uncredited)

Simone Liebman

Character: Client (uncredited)

João Costa Menezes

Character: Client (uncredited)

Senem Temiz

Character: Client (uncredited)

Craig Izzard

Character: Customer (uncredited)

Leon Corbin

Character: Passerby (uncredited)