Dominic West
as Morgan Henderson
Sienna Miller
as Carla Duval
Phoebe Fox
as Serena Byrne
James McArdle
as Nicholas Taylor
Nina Sosanya
as Beatrice Ubosi
Pip Torrens
as St John Smallwood
Archie Renaux
as Johnny Warren
Nick Mohammed
as Michael Stefanou
Miles Jupp
as David Schill
Celia Imrie
as Joy "Budgie" Budge
Emma Laird
as Molly Giordano
Akiya Henry
as Nora Okafor
Shaheen Jafargholi
as Saeed Masood
Angel Coulby
as Gillian Pope
Honor Swinton Byrne
as Bella Croft
Patrick Fabian
as Eric McDaniel
Rose Williams
as Flora Monroe