Hari Seldon (played by Jared Harris) is a protagonist in Foundation.
A famed mathematician and psychology professor who created psychohistory to predict large-scale human events across vast timelines. He forecasts the Empire's inevitable fall and proposes establishing the Foundation on Terminus to preserve human knowledge and mitigate the consequences. Brother Day (played by Lee Pace) is a protagonist in Foundation.
A prime-aged clone of Emperor Cleon who serves as one of the three leaders of the despotic Galactic Empire. Initially dismissive of Seldon's predictions but eventually permits the establishment of the Foundation after predicted catastrophic events occur. Gaal Dornick (played by Lou Llobell) appears in Foundation.
A young mathematical prodigy who wins a galaxy-wide contest designed by Hari Seldon. She travels to the capital planet Trantor to verify his psychohistorical findings and becomes thrust into the central conflict between the Empire and Seldon's followers. Demerzel (played by Laura Birn) appears in Foundation.
The regal majordomo of the Empire who has secretly administered the dynasty for 400 years. She is actually a unique, ageless humanoid robot, believed to be the last remnant of an ancient robotic army defeated 6,000 years prior. Brother Dawn (played by Cassian Bilton) appears in Foundation.
A young clone of Emperor Cleon who is currently being trained to eventually succeed Brother Day as the primary leader of the Galactic Empire. Brother Dusk (played by Terrence Mann) appears in Foundation.
An aging clone of Emperor Cleon who has retired from active rule but continues to serve in an advisory role within the Empire's triumvirate leadership.
Foundation (2021) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Hari Seldon
(played by Jared Harris) — protagonist
A famed mathematician and psychology professor who created psychohistory to predict large-scale human events across vast timelines. He forecasts the Empire's inevitable fall and proposes establishing...
Brother Day
(played by Lee Pace) — protagonist
A prime-aged clone of Emperor Cleon who serves as one of the three leaders of the despotic Galactic Empire. Initially dismissive of Seldon's predictions but eventually permits the establishment of the...
Gaal Dornick
(played by Lou Llobell) — supporting
A young mathematical prodigy who wins a galaxy-wide contest designed by Hari Seldon. She travels to the capital planet Trantor to verify his psychohistorical findings and becomes thrust into the centr...
Demerzel
(played by Laura Birn) — supporting
The regal majordomo of the Empire who has secretly administered the dynasty for 400 years. She is actually a unique, ageless humanoid robot, believed to be the last remnant of an ancient robotic army...
Brother Dawn
(played by Cassian Bilton) — supporting
A young clone of Emperor Cleon who is currently being trained to eventually succeed Brother Day as the primary leader of the Galactic Empire.
Brother Dusk
(played by Terrence Mann) — supporting
An aging clone of Emperor Cleon who has retired from active rule but continues to serve in an advisory role within the Empire's triumvirate leadership.
Key Relationships
Hari Seldon → Gaal Dornick
(Mentor and Student)
Demerzel → Brother Day
(Servant and Controller)
Brother Day → Brother Dawn
(Succession Rivalry)
Brother Day → Demerzel
(Master and Servant Fracture)
Hari Seldon → Brother Day
(Ideological Opponents)
Brother Day → Brother Dusk
(Advisor and Leader)
Demerzel → Hari Seldon
(Philosophical Antagonists)
Hari Seldon → Demerzel
(Historical Rivals)
Brother Dawn → Brother Dusk
(Junior-Senior Coalition)
Brother Dusk → Demerzel
(Loyalty Shift)
Gaal Dornick → Brother Day
(Predicted Versus Predictor)
Demerzel → Gaal Dornick
(Indirect Adversaries)
Brother Dawn → Gaal Dornick
(Cross-Faction Cooperation)