Dr. Kelson finds himself in a shocking new relationship - with consequences that could change the world as they know it - and Spike's encounter with Jimmy Crystal becomes a nightmare he can't escape.
Dr. Ian Kelson
Ralph Fiennes
Sir Lord Jimmy Crystal
Jack O'Connell
Spike / Jimmy
Alfie Williams
Jimmy Ink
Erin Kellyman
Samson
Chi Lewis-Parry
Jimmima
Emma Laird
Jimmy Shite
Connor Newall
Jimmy Jones
Maura Bird
Jimmy Snake
Ghazi Al Ruffai
Jimmy Jimmy
Robert Rhodes
Jimmy Fox
Sam Locke
Hunter
Gareth Locke
Pregnant Infected
Celi Crossland
Cathy
Mirren Mack
Jonno
Gordon Alexander
Tom
Louis Ashbourne Serkis
George
David Sterne
Matthew
Elliot Benn
Jane Ji
Lynne Anne Rodgers
Samson (Child)
Sebastian Williams-Barrow
Ticket Inspector
Natalie Cousteau
Sam
Maiya Eastmond
Jim (uncredited)
Cillian Murphy
Train Passenger (uncredited)
Mia Verity