Ṣọpẹ́ Dìrísù as Bol Majur

Wunmi Mosaku as Rial Majur

Malaika Wakoli-Abigaba as Nyagak

Matt Smith as Mark Essworth

Javier Botet as The Witch

Yvonne Campbell as South Sudanese Woman

Vivienne Soan as Neighbour

Lola May as Nyagak's Mother

Kevin Layne as The Cameroonian

Maureen Casey as Detention Custody Officer

Homer Todiwala as Iraqi Man

Dominic Coleman as Lead Officer

Sally Plumb as Secondary Officer

Roland Manookian as Barber

Andy Gathergood as Church Man

Rasaq Kukoyi as William

Gamba Cole as George

Bradley Banton as Phillip

Emily Taaffe as Dr. Hayes

Ian Horgan as Adam 'CIS'

Perry Warner as Burly Officer

Mevis Birungi as Aid Worker

John Kamau as Aid Worker #2

Destiny Okoh as Smuggler

Steven Blakeley as Suit #1

Tabitha Wady as Suit #2

Kyna Boyle as Teenage Girl

Julius Reuben as Ghost

Lanre Olagoke as Ghost

Adwoa Brown as Ghost

Mark Gooden as Ghost

Rita Laker-Acaye as Ghost

Simon Akinwunmi as Ghost

Mikey Adewunmi as Ghost

Yasmine Smith as Ghost

Cornell John as The Witch (voice)

Aliyah Sesay as Nyagak (voice)

Vivien Bridson as The Queen (uncredited)

Scott Michael Wagstaff as The Creature (uncredited)

Ty Hurley as Driver (uncredited)

Rene Costa as Pub Hooligan (uncredited)

Marie Hamm as Council Estate Resident (uncredited)