Jared Harris
Hari Seldon (10 eps)
Lee Pace
Brother Day (10 eps)
Lou Llobell
Gaal Dornick (10 eps)
Leah Harvey
Salvor Hardin (10 eps)
Laura Birn
Demerzel (10 eps)
Cassian Bilton
Brother Dawn (10 eps)
Terrence Mann
Brother Dusk (10 eps)
Sandra Yi Sencindiver
Enjoiner Rue Corintha (9 eps)
Ella-Rae Smith
Queen Sareth I of Cloud Dominion (8 eps)
Haqi Ali
Handman Hahn (8 eps)
Isabella Laughland
Novice Claric Brother Constant (8 eps)
Kulvinder Ghir
High Claric Brother Poly Verisof (8 eps)
Oliver Chris
Director Sef Sermak (7 eps)
Wade Briggs
Brigadier Manlio (6 eps)
Anthony Barclay
Councilor Sutt (6 eps)
Eva Bradley-Williams
Varia (5 eps)
Luis Torrecilla
Pater (5 eps)
Emily Stott
Oreen (4 eps)
Mikael Persbrandt
The Mule (4 eps)
Nimrat Kaur
Dr. Yanna Kine (3 eps)
Noah Taylor
Hetman (3 eps)
Jordan Stephens
Jori (3 eps)
Holt McCallany
Warden Jaegger Fount (2 eps)
Rowena King
Kalle (2 eps)
Elsie Bennett
Kariel Seldon (2 eps)
Sean Rigby
Nolan Seldon (2 eps)
Isaac Highams
Young Hari - Age 7 (2 eps)
Jesper Christensen
Ducem Barr (2 eps)
Jim High
Shadowmaster Greeve (1 eps)
James Beaumont
Lead Imperial Surgeon (1 eps)
Abigail Rice
Imperial Doctor #1 (1 eps)
Roy McCrerey
Imperial Doctor #2 (1 eps)
Caroline Pope
Movement Coach (1 eps)