James, a 17-year-old teenager who believes himself to be a psychopath, embarks on a strange journey with Alyssa in search of her father, which leads to a series of misadventures.
Jessica Barden
Alyssa
Alex Lawther
James
Steve Oram
Phil
Christine Bottomley
Gwen
Jonathan Aris
Professor Clive Koch
Naomi Ackie
Bonnie
Jack Veal
Little James
Wunmi Mosaku
DC Teri Darego
