Gary Oldman as Jackson Lamb
Jack Lowden as River Cartwright
Kristin Scott Thomas as Diana Taverner
Olivia Cooke as Sidonie Baker
Rosalind Eleazar as Louisa Guy
Saskia Reeves as Catherine Standish
Christopher Chung as Roddy Ho
Jonathan Pryce as David Cartwright
Freddie Fox as James 'Spider' Webb
Chris Reilly as Nick Duffy
Dustin Demri-Burns as Min Harper
Kadiff Kirwan as Marcus Longridge
Aimee-Ffion Edwards as Shirley Dander
Katherine Waterston as Alison Dunn
Ṣọpẹ́ Dìrísù as Sean Donovan