David Gyasi

as Self - Interviewee

as Foreign Secretary Austin Dennison

as Marcus

as The Gray Cat (voice)

as US Dad

as James Littleton / CJ

as Bass Reeves

as Percival

as Agreus Astrayon

as Malcolm

as Cob Wallach

as Jonah

as Daniel

as Achilles

as Steve

as Andrew Deeley

as Alex 'Lex' Carnahan

as Ben Chambers

as Self - 'Romillin'

as Romilly

as Richard Peterson

as Autua / Lester Rey / Duophsyte

as Skinny Prisoner

as Victor

as Corporal

as Will

as Lennie Gaines

as Physics Teacher

as Father Daniel

as Lokua

as Hospital Patient

as DI Farnsworth

as Timothy

as François

as Jeremy Hands

as Kameron

as Harvey

as DS Kitson

as Reporter 2

as Lucas Hegarty

as Marlon

as Ian's Band Member

as Policeman

as Charlie Ayanike

as Joe Fisher

as Sean Foster

as Moses Abebe

as Marlon Baldon

as DS Ian Cross

as Bryce

as Jason Fielding

as George Moses Horton

as Marlon