Domhnall Gleeson

Tim Lake

Rachel McAdams

Mary

Bill Nighy

Dad

Tom Hollander

Harry

Margot Robbie

Charlotte

Lydia Wilson

Kit Kat

Lindsay Duncan

Mum

Richard Cordery

Uncle D

Joshua McGuire

Rory

Will Merrick

Jay

Vanessa Kirby

Joanna

Tom Hughes

Jimmy Kincade

Clemmie Dugdale

Ginger Jenny

Harry Hadden-Paton

Rupert

Mitchell Mullen

Mary's Father, Fitz

Lisa Eichhorn

Mary's Mother, Jean

Jenny Rainsford

Polly

Natasha Powell

Aunty May

Mark Healy

Dans le Noir Maître D'

Ben Benson

Theatre Deserter

Philip Voss

Theatre Judge

Tom Godwin

Prompter

Pal Aron

Bhattie QC

Catherine Steadman

Tina

Andrew Martin Yates

Wedding Priest

Charlie Barnes

Posy (Newborn)

Verity Fullerton

Posy (6 Months)

Veronica Owings

Posy (1 Year)

Olivia Konten

Posy (2 1 / 2 - 3 Years)

Sarah Heller

Posy (5 Years)

Jaiden Dervish

Boy Posy

Jacob Francis

Jeff (Newborn)

Jago Freud

Jeff (5 Months)

Ollie Phillips

Jeff (2 Years)

Sophie Pond

Jo (6 Months)

Sophie Brown

Jo - 1 Year

Molly Seymour

Trudy (Party Guest)

Matilda Sturridge

Flirty Girl

Tom Stourton

John

Rebecca Chew

Pret a Manger Server

Jon West

Court Clerk

Graham Richard Howgego

Judge

Kerrie Liane Studholme

Jury Foreman

Kenneth Hazeldine

Defendant

Barbar Gough

Jazz Singer

Jon Boden

Busker

Charlie Curtis

Young Tim

Richard Griffiths

Lawyer in Play (uncredited)

Richard E. Grant

Lawyer in Play (uncredited)

Haruka Abe

Japanese Girl (uncredited)

Lee Nicholas Harris

Police Officer (uncredited)

Matthew C. Martino

Commuter (uncredited)

Tom Coulston

Theatre Attendee (uncredited)