- Shaquille Ali-Yebuah - Danny
- Dai Tabuchi - Chef
- Oleg Mirochnikov - Dmitri Garin
- Margaréta Szabó - Anna Garin
- Ravin J. Ganatra - News Reporter
- Karen Westwood - Doctor
- Darren Ruston - Tony
- Sandra Teles - Female Reporter
- Martin Gordon - Security Guard
- Alex McNally - Photographer
- Neran Persaud - Head of Indian Feed
- Steven Elder - Doctor (Asylum)
- Robert Goodman - Johnny
- Milo Twomey - Scientist
- Beverly Longhurst - Pam (Call Center Agent)
- Waylon Luke Ma - Sinh
- Manuela Maletta - Chilean Woman
- Zarene Dallas - Italian Woman
- Paul Howell - Drug Addict
- Milly Thomas - Sara Hoyt
- Milly Thomas - Sarah Hoyt
- Clive Russell - Graham
- Eloise Joseph - Chetna
- Nigel Boyle - Gary
- Roger Alborough - Devan
- Oaklee Pendergast - Ryan
- Imani Jackman - Arian
- Carl McCrystal - Abel
- Keicha Greenidge - Surgery Staff
- Ace Bhatti - Dr. Adu
- Claudia Jolly - Nurse (Dr Adu)
- Anson Boon - Anton Garin
- Mark Ebulue - ICSA Officer
- Jonathan Aris - Eric Bell
- Olwen Fouéré - Jane
- Tigga Goulding - Neighbor
- Deeivya Meir - Chris Monkwell
- Claire Rafferty - Claire Leabridge
- Luca Matteo Zizzari - Italian Man
- Giulia Innocenti - Italian Policewoman
- Muzz Khan - Coder
- Alexander Hanson - James Parslow
- Toheeb Jimoh - Marcus
- Jodie Tyack - Laura
- Michael Golab - ICSA Guard
- Mark Burgess - Mr. Barker
- Heather Bleasdale - Nurse Mary
- Carl Prekopp - Inmate
- Luke Hornsby - Derrick
- Rayna Campbell - ICSA Agent 2
- Scarlett Brookes - Nancy
- Anneika Rose - Natalie
- Olivia Morgan - Tia
- Bhavik C. Pankhania - ICSA Officer
- Bhavik C. Pankhania - ICSA Agent
- Aoife Hinds - Lyla
- Rez Kempton - Patrick Francis
- Gareth Mason - Luke
- Anna Koval - Gwen Ashe
- Carlyss Peer - Martha
- Carlyss Peer - Martha Freeman
- Michael Wildman - ICSA Agent Ryan
- Finbar Lynch - Aidan Doyle
- Gary Shelford - Steve
- Wasim Zakir - Naz
- Art Malik - President Quan
- John Omole - Police Officer
- Shereen Martin - Sen
- Kwong Loke - Hau
- T'Nia Miller - Charlie Morris
- Ursula Holliday - Cass
- Sheila Atim - Amanda Javad
- Michael Higgs - Alec
- Jonny Dixon - Nevin
- Micah Balfour - ICSA Agent
- Pete MacHale - Leon
- Laurie Kynaston - Jonah Green
- Carl Tibbetts
- Jill Robertson
- Misha Manson-Smith
- Colin Teague
- Tinge Krishnan
- Michael Clarkson
- Tom Moran
- Channing Powell
- Rachel De-Lahay
David Thewlis interpreta a Lawrence Hatfield en la serie.
Guy Burnet hace el papel de Tom Hatfield.
Nina Toussaint-White interpreta a Kate Hatfield en la serie.
Michelle Fairley hace el papel de Meredith Hatfield.
Jeremy Neumark Jones interpreta a Ben Hatfield en la serie.
Jing Lusi interpreta a Miyu Hatfield en la serie.
Clare-Hope Ashitey hace el papel de Evelyn Kern.
Osy Ikhile interpreta a Max en la serie.
Chris Reilly interpreta a Gil Tomine en la serie.
Shaquille Ali-Yebuah interpreta a Danny en la serie.
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