Season 1

David Walliams

Tommy Beresford

6 episodes

Jessica Raine

Tuppence

6 episodes

James Fleet

Carter

6 episodes

Matthew Steer

Albert

6 episodes

Paul Brennen

Lucky

6 episodes

Jonny Phillips

Whittington

6 episodes

Clarke Peters

Julius Hersheimmer

6 episodes

Hannah Waddingham

Blonde Assassin

6 episodes

Madeline Appiah

Annette

6 episodes

Camilla Beeput

Jane Finn

6 episodes

Christina Cole

Mrs Sprot

6 episodes

Aoife McMahon

Sheila Perenna

6 episodes

Roy Marsden

Commander Haydock

6 episodes

Ed Speleers

Carl Denim

6 episodes

Pınar Öğün

Veronika Urbanowicz

6 episodes

Danny Lee Wynter

Gilbert Worthing

6 episodes

Andrew Havill

James Peel KC

6 episodes

Alice Krige

Rita Vandemeyer

6 episodes

Robert Whitelock

Conrad

6 episodes

Robert Hands

Mr Minton

6 episodes

Alyy Khan

Major Khan

6 episodes

Issy van Randwyck

Mrs Minton

6 episodes

Edward Hall

Director

6 episodes

Agatha Christie

Novel

6 episodes

Zinnie Harris

Writer

3 episodes

Claire Wilson

Writer

3 episodes

Ian Hogan

Line Producer

6 episodes

Hilary Strong

Executive Producer

6 episodes

Tom Nash

Development Manager

6 episodes

Helen Flint

Executive Producer

6 episodes

Mathew Prichard

Executive Producer

6 episodes

David Walliams

Executive Producer

6 episodes

Suzanne Smith Crowley

Casting Director

6 episodes

Matthew Read

Executive Producer

6 episodes

Hilary Bevan Jones

Executive Producer

6 episodes

Gilly Poole

Casting Director

6 episodes

Georgina Lowe

Producer

6 episodes

Stevie Herbert

Production Design

6 episodes

David Higgs

Director of Photography

6 episodes

Amy Roberts

Costume Design

6 episodes

Jamie Pearson

Editor

6 episodes

Tim Phillips

Original Music Composer

6 episodes