Sope Dirisu

Bol Majur

Wunmi Mosaku

Rial Majur

Malaika Wakoli-Abigaba

Nyagak

Matt Smith

Mark Essworth

Javier Botet

The Witch

Yvonne Campbell

South Sudanese Woman

Vivienne Soan

Neighbour

Lola May

Nyagak's Mother

Kevin Layne

The Cameroonian

Maureen Casey

Detention Custody Officer

Homer Todiwala

Iraqi Man

Dominic Coleman

Lead Officer

Sally Plumb

Secondary Officer

Roland Manookian

Barber

Andy Gathergood

Church Man

Rasaq Kukoyi

William

Gamba Cole

George

Bradley Banton

Phillip

Emily Taaffe

Dr. Hayes

Ian Horgan

Adam 'CIS'

Perry Warner

Burly Officer

Mevis Birungi

Aid Worker

John Kamau

Aid Worker #2

Destiny Okoh

Smuggler

Steven Blakeley

Suit #1

Tabitha Wady

Suit #2

Kyna Boyle

Teenage Girl

Julius Reuben

Ghost

Lanre Olagoke

Ghost

Adwoa Brown

Ghost

Mark Gooden

Ghost

Rita Laker-Acaye

Ghost

Simon Akinwunmi

Ghost

Mikey Adewunmi

Ghost

Yasmine Smith

Ghost

Cornell John

The Witch (voice)

Aliyah Sesay

Nyagak (voice)

Vivien Bridson

The Queen (uncredited)

Scott Michael Wagstaff

The Creature (uncredited)

Ty Hurley

Driver (uncredited)

Rene Costa

Pub Hooligan (uncredited)

Marie Hamm

Council Estate Resident (uncredited)