Anna Maxwell Martin
— Kay Langrish
Claire Foy
— Helen Giniver
Jodie Whittaker
— Vivian Pearce
Anna Wilson-Jones
— Julia Standing
Harry Treadaway
— Duncan Pearce
JJ Feild
— Robert Fraser
Liam Garrigan
— Reggie Nigri
Claudie Blakley
— Nancy Carmichael
Kenneth Cranham
— Horace Mundy
Jenna Augen
— Iris Knight
Neal Barry
— Mr Bryant
Lucy Briers
— Binkie
Richard Cambridge
— Policeman
Chas Early
— Prisoner #1
Richard Huw
— James Imrie
Caitlin Innes Edwards
— O'Neil
Phill Langhorne
— Cyclist
Colin Mace
— Hughes
Stephen Matthews
— Auntie Vi
Paul Ritter
— Mr Pearce
Kris Saddler
— Airman
Alex Waldmann
— Alec Jennings
Leona Walker
— Orderly
Phoebe Waller-Bridge
— Lauren
Tom Weston-Jones
— Jack Brown