Will Poulter

Bobby Jones

Lucy Boynton

Frankie Derwent

Maeve Dermody

Moira Nicholson

Conleth Hill

Dr Alwyn Thomas

Daniel Ings

Roger Bassington-ffrench

Jonathan Jules

Ralph 'Knocker' Beadon

Alistair Petrie

Rev Richard Jones

Nicholas Asbury

Mr. Angel

Morwenna Banks

Amelia Cayman

Miles Jupp

Henry Bassington-ffrench

Amy Nuttall

Sylvia Bassington-ffrench

Paul Whitehouse

Askew

Hugh Laurie

Dr. James Nicholson

Leon Ockenden

Alex Pritchard

Tim Treloar

Arthur Crowe

Tomos Farrer

Mickey

Samuel Farrer

Sammy

Nicholas Banks

'Thicko' Derwent-Broxley

Nia Trussler Jones

Mrs Gladys Roberts

Martyn Ellis

Albert Gold Pro

Carlie Enoch

Ivy Marshall

Trevor Cooper

Coroner

Bob Goody

Ted Miller

Richard Dixon

Leo Cayman

Simon Markey

Nigel the Postman

Benedict Wolf

Hari Singh

Patrick Barlow

Wilfred Bragge

Christian Patterson

Sergeant Ellis

Emma Thompson

Lady Marcham

Jim Broadbent

Lord Marcham

Elizabeth Jane Shepard

Art Direction

Humphrey Jaeger

Production Design

John de Borman

Director of Photography

Mika Orasmaa

Director of Photography

Laura Schalker

Makeup & Hair

Laura Smith

Costume Design

Sallie Adams

Makeup & Hair

Fiona Chaffey

Makeup & Hair

Julie Davies

Makeup Supervisor

Hugh Laurie

Director

Belinda Cottrell

Editor

Ian Farr

Editor

Damien Timmer

Executive Producer

Karen Lindsay-Stewart

Casting

James Prichard

Executive Producer

Gina Cronk

Executive Producer

Emily Jacobs

Casting

Basi Akpabio

Executive Producer

Jonathan Karas

Executive Producer

Andrew Wood

Co-Producer

Emily Powers

Executive Producer

Claire Jones

Producer

Helen Ziegler

Executive Producer

Hugh Laurie

Executive Producer

Amaya Soler Coca

Foley Artist

Rebecca Glover

Foley Editor

Benjamin Darier

ADR Mixer

Zak Melemendjian

Sound

Gareth Bull

Sound Re-Recording Mixer

Harry Escott

Original Music Composer

Javier Delgado

Foley

Sarah Morton

Dialogue Editor

Blair Jollands

Sound Designer

Jon Hollis

Visual Effects

Hugh Laurie

Writer

Agatha Christie

Novel