- Varada Sethu - Cinta Kaz
- Alastair Mackenzie - Perrin Fertha
- Joplin Sibtain - Brasso
- Tim Faraday - Doorman
- Lee Boardman - Kravas
- Stephen Wight - Verlo
- Margaret Clunie - Hostess
- Dave Chapman - B2EMO (voice)
- Antonio Viña - Kassa
- Cavin Cornwall - Alien Grappler
- Oliver Bodur - Alpha #2
- Ronak Patani - Officer #1
- Peter Bankolé - Astro-Traffic Control Officer
- Ian Whyte - Vetch
- Abhin Galeya - Salman Paak
- Dawn Sievewright - Officer #2
- Alex Austin - Officer #3
- Kieran O'Brien - Pegla
- Neil Bell - Time Grappler
- Zubin Varla - Xanwan
- Jordan Long - West-4
- Fraser Ayres - East-1
- Abraham Popoola - North-1
- Jake Lampert - West-3
- Ron Cook - Willi
- Richard Henderson - North-3
- Ben Bailey Smith - Lieutenant Supervisor Blevin
- Robert Emms - Supervisor Lonni Jung
- Michael Jenn - Supervisor Lagret
- Lucy Russell - Supervisor Grandi
- Jacob James Beswick - Attendant Heert
- Alex Lawther - Karis Nemik
- Ebon Moss-Bachrach - Arvel Skeen
- Gershwyn Eustache Jnr - Taramyn Barcona
- Kathryn Hunter - Eedy Karn
- Apple Brook - Neighbour
- Lee Ross - Kloris
- Sule Rimi - Lieutenant Gorn
- Bronte Carmichael - Leida
- Luke Nunn - Private #1
- Joel Morris - Private #2
- Wilf Scolding - Captain Vanis Tigo
- Nick Blood - Corporal Kimzi
- Li Dan - Corporal #1
- Rob Compton - Corporal #2
- Stanley Townsend - Commandant Jayhold Beehaz
- David Hayman - Chieftan
- Richard Katz - Colonel Petigar
- Harry Anton - Wandering Soldier
- Michelle Duncan - Roboda Beehaz
- Alfie Todd - Leonart Beehaz
- Luke Baker - Running Soldier
- Chris Ryman - Door Sentry
- Luke Macgregor - Corporal #4
- Elliot Baxter - Galley Soldier #1
- Michael James - Tech Op #1
- Daniel Adeosun - Tech Op #2
- Conor Deane - Gunner #1
- Michael Akinsulire - Soldier #1
- Joseph Arkley - Husband
- Anna Ruben - Talking Head
- Richard Lister - Newscaster
- Malcolm Sinclair - Colonel Yularen
- Alex Blake - Flob
- Ragevan Vasan - Attendant Felzonis
- Ben Miles - Tay Kolma
- Lucas Bond - Young Cassian
- Andrew Greaves - Young Man
- Jolyon Coy - Imperial Officer
- Katrina Nare - Windi
- Beatie Edney - Judge
- Glyn Pritchard - Prosecutor
- Noof Ousellam - Corv
- Jimmy Walker - Transpo Guard #1
- Asheq Akhtar - Fellow Prisoner
- Aidan Cook - Two Tubes
- Aidan Cook - KX Unit (voice)
- Aidan Cook - Alien Bailiff (voice)
- Aidan Cook - Doctor Quadpaw
- Paul McEwan - Intake Warden
- Josh Herdman - Delivery Guard #1
- Kenny Fullwood - Delivery Guard #2
- Anton Saunders - Box Guard #1
- Hubert Hanowicz - Box Guard Left
- Martin Ware - "Voice of God" (voice)
- Andy Serkis - Kino Loy
- Duncan Pow - Melshi
- Christopher Fairbank - Ulaf
- Clemens Schick - Ham
- Brian Bovell - Jemboc
- Tom Reed - Taga
- Josef Davies - Xaul
- Rasaq Kukoyi - Birnok
- Andy Gathergood - Table #1
- Samson Cox-Vinell - Table #3
- Steve Morphew - Table #7
- Brandon Bassir - Bartender
- Hugh Sachs - Senator Dhow
- Mensah Bediako - Zinska
- Salman Akhtar - Night Shift #1
- Jack Donoghue - Night Shift #2
- Romario Simpson - Night Shift #3
- Jonathan Gunning - Night Shift #4
- Christopher York - Night Shift #7
- Anil Goutam - Senator Teenar
- Alice Orr-Ewing - Senator Vivyn
- Chelsea Edge - Ingenue
- Patrice Naiambana - Older Senator
- Leonardo Taiwo - Partisan
- Forest Whitaker - Saw Gerrera
- Joshua James - Doctor Gorst
- Adrian Rawlins - Doctor Rhasiv
- Nicholas Moss - Lieutenant Keysax
- Rupert Vansittart - Chief Hyne
- Gary Beadle - Clem Andor
- Pamela Nomvete - Jezzi
- Richard Dillane - Davo Sculdun
- Chike Chan - Console Guard #2
- James Cooney - "Apostle"
- Alex Ferns - Sergeant Linus Mosk
- James McArdle - Timm Karlo
- Matt Lyons - Dewi Pamular
- Roger Barclay - Captain Elk
- Gethin Alderman - Executive Officer
- Harry McEntire - Weapons Spec
- Hebe Beardsall - Pit #1
- Fiona Shaw - Maarva Andor
- Nick Preston - Recon Soldier B
- Gavin Spokes - Tenek
- Rosalind Halstead - Runai Sculdun
- Alice Haig - Wife
- George Lucas
- Michelle Rejwan
- Tony Gilroy
- Martin Ware
- Ally O'Leary
- Kate Hazell
- Stephen Schiff
- Nicholas Britell
Andy Serkis interpreta a Kino Loy en la serie.
Adrian Rawlins hace el papel de Doctor Rhasiv.
Forest Whitaker interpreta a Saw Gerrera en la serie.
Rupert Vansittart hace el papel de Chief Hyne.
Kieran O'Brien interpreta a Pegla en la serie.
Diego Luna hace el papel de Cassian Andor.
Stellan Skarsgård interpreta a Luthen Rael en la serie.
Kyle Soller interpreta a Syril Karn en la serie.
Denise Gough interpreta a Dedra Meero en la serie.
Adria Arjona interpreta a Bix Caleen en la serie.
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