Foundation (TV) Cast
The cast of Foundation. Updated on September 14, 2025.
142 actors
Jared Harris
as Hari Seldon (20 episodes)

Jared Harris portrays Hari Seldon, a highly intelligent mathematician and psychohistorian who predicts the fall of the Galactic Empire. Seldon establishes the Foundation, a group of scientists aiming to preserve human knowledge and civilization during this tumultuous time.

Lee Pace
as Brother Day (20 episodes)

Lee Pace plays the role of Brother Day, the current Emperor of the Galactic Empire. Brother Day is a complex and powerful leader who struggles to maintain control over the vast empire and is intrigued by Seldon's predictions.

Lou Llobell
as Gaal Dornick (20 episodes)

Lou Llobell portrays Gaal Dornick, a young mathematician who is selected by Hari Seldon to join the Foundation. Gaal is initially naive but shows great potential for understanding and implementing Seldon's theories.

Leah Harvey
as Salvor Hardin (20 episodes)

Leah Harvey plays Salvor Hardin, a courageous and resourceful member of the Foundation. Salvor becomes a pivotal figure in the story as she navigates political intrigue and helps protect the Foundation's mission.

Laura Birn
as Demerzel (20 episodes)

Laura Birn portrays Demerzel, a mysterious and influential character closely linked to the Emperor. Demerzel's true intentions and allegiance remain shrouded in secrecy, making them an enigmatic presence throughout the show.

Cassian Bilton
as Brother Dawn (20 episodes)

Cassian Bilton plays Brother Dawn, a member of the ruling class known as the Cleons. Brother Dawn holds a high position within the Empire and is responsible for important decisions that shape the future of the galaxy.

Terrence Mann
as Brother Dusk (20 episodes)

Terrence Mann portrays Brother Dusk, another member of the Cleons who plays a significant role in the unfolding events. Brother Dusk's actions and choices have far-reaching consequences for the Empire.

Jade Harrison
as Bayla (1 episode)

Jade Harrison plays the character of Bayla, a young woman who becomes entangled in the struggle for power and survival in the face of a crumbling empire. Bayla's journey intersects with the main characters, adding complexity to the narrative.

Chris Jarman
as Jarko Dornick (2 episodes)
Joyce Grey-Carter
as Synnaxian Stone Remover (1 episode)
Nikhil Dubey
as Bomber #1 (1 episode)
Conor Dudley Fergus
as Bomber #2 (1 episode)
Proschat Madani
as Lors Avakim (1 episode)
Kirsten Block
as Chamberlain (1 episode)
Samir Fuchs
as Prime Magistrate (1 episode)
Jerry Kwarteng
as Imperial Guardian Suit (1 episode)
Anne Gill
as Teacher (1 episode)
Thomas Lappin
as Customs Officer (1 episode)
Barry McGovern
as Orlio (1 episode)
Alexander Siddig
as Advocate Xylas (1 episode)
Chipo Chung
as (1 episode)
Reece Shearsmith
as Jerril (3 episodes)
Carolina Main
as Ambassador Shae Un Shae (2 episodes)
Antony Bunsee
as Ambassador Xandem (2 episodes)
Brian Bovell
as Trantorian Seer Priest (2 episodes)
Cooper Carter
as Young Brother Dawn (2 episodes)
Florence Ordesh
as Briwan (1 episode)
Ahd Tamimi
as Magnus (1 episode)
Georg Nikoloff
as Senior Laundry Worker (1 episode)
Seham Aar
as Veena Ahluwalia (1 episode)
Laila Pyne
as Jiam Quarver (1 episode)
Abdul Alshareef
as Comms Tech (1 episode)
Daniel MacPherson
as Hugo Crast (10 episodes)
Kim Adis
as Lowre (2 episodes)
Johanna O'Brien
as Shivaughn (2 episodes)
Vanessa Ifediora
as Imperial Herald (3 episodes)
Christian Contreras
as Dorwin (2 episodes)
Martin McDougall
as Akiva (1 episode)
Juan Carlos Tacoronte
as Field Hospital Patient (1 episode)
Ryan Ali
as The Beggar Computer (voice) (1 episode)
Alfred Enoch
as Raych Foss (7 episodes)
Jayne Giordanella
as Mother Zephyr (1 episode)
Sarah Naudi
as Maiden Zephyr (1 episode)
Nikol Kollars
as Jacenta (4 episodes)
Geoffrey Cantor
as Ambassador Thanwall (1 episode)
Abby Dunlavy
as Spacer (2 episodes)
Kez Anderson
as Spacer (1 episode)
Elliot Cowan
as Lewis Pirenne (8 episodes)
Clarke Peters
as Abbas (4 episodes)
Shauna Black
as The Raven Computer (voice) (2 episodes)
Darragh O’Toole
as Romus (1 episode)
Muiris Crowley
as Captain Tacud (1 episode)
Buddy Skelton
as Keir (4 episodes)
Chloe Lea
as Gia (5 episodes)
Joni Morris
as Laylo (3 episodes)
Mido Hamada
as Shadow Master Obrecht (3 episodes)
Sasha Behar
as Mari (8 episodes)
Pravessh Rana
as Rowan (5 episodes)
Amy Tyger
as Azura (5 episodes)
Nikhil Parmar
as Freestone (4 episodes)
Matt Gavan
as Jord Hasp (1 episode)
Stuart McQuarrie
as Lunden (1 episode)
Kubbra Sait
as Phara (7 episodes)
Julia Farino
as Zephyr Gilat (3 episodes)
T'Nia Miller
as Zephyr Halima (3 episodes)
Joseph Palmer
as Imperial Servant (1 episode)
Rory Nolan
as Muller Holk (3 episodes)
Rachel Lynch
as Little Girl (1 episode)
Nimrat Kaur
as Dr. Yanna Kine (3 episodes)
Holt McCallany
as Warden Jaegger Fount (2 episodes)
Ella-Rae Smith
as Queen Sareth I of Cloud Dominion (8 episodes)
Sandra Yi Sencindiver
as Enjoiner Rue Corintha (9 episodes)
Oliver Chris
as Director Sef Sermak (7 episodes)
Rowena King
as Kalle (2 episodes)
Elsie Bennett
as Kariel Seldon (2 episodes)
Sean Rigby
as Nolan Seldon (2 episodes)
Isaac Highams
as Young Hari - Age 7 (2 episodes)
Eva Bradley-Williams
as Varia (5 episodes)
Emily Stott
as Oreen (4 episodes)
Jairaj Varsani
as Poly (6 episodes)
Wade Briggs
as Brigadier Manlio (6 episodes)
Anthony Barclay
as Councilor Sutt (6 episodes)
Haqi Ali
as Handman Hahn (8 episodes)
Jim High
as Shadowmaster Greeve (1 episode)
James Beaumont
as Lead Imperial Surgeon (1 episode)
Abigail Rice
as Imperial Doctor #1 (1 episode)
Roy McCrerey
as Imperial Doctor #2 (1 episode)
Isabella Laughland
as Novice Claric Brother Constant (8 episodes)
Kulvinder Ghir
as High Claric Brother Poly Verisof (8 episodes)
Mikael Persbrandt
as The Mule (4 episodes)
Luis Torrecilla
as Pater (5 episodes)
Noah Taylor
as Hetman (3 episodes)
Jordan Stephens
as Jori (3 episodes)
Jesper Christensen
as Ducem Barr (2 episodes)
Caroline Pope
as Movement Coach (1 episode)
Ben Daniels
as Bel Riose (6 episodes)
Dimitri Leonidas
as Hober Mallow (7 episodes)
Dino Fetscher
as Glawen Curr (6 episodes)
Judi Shekoni
as She-Bends-Light (5 episodes)
Philip Glenister
as Commdor Argo (1 episode)
For the best insights and data about the TV show Foundation, visit our main Foundation page.