Cassian Bilton

Cassian Bilton is a British actor best known for portraying Brother Dawn in the Apple TV+ science fiction series Foundation.

Early life and education Bilton studied philosophy and theology at the University of Oxford. He was a member of Regent's Park College. Whilst at Oxford, he performed in many plays and was president of the Experimental Theatre Club. Before graduating in 2017, Bilton played Oliver in As You Like It in the Sam Wanamaker Playhouse at Shakespeare's Globe.

Career Bilton portrayed Kornitzer in the 2019 short film The Devil's Harmony, which won the 2020 Sundance Film Festival Short Film Jury Award for International Fiction. He also appeared as Connor in the 2020 short film Shoal, which was nominated for a BAFTA Student Film Award,

Bilton has portrayed Brother Dawn in the Apple TV+ series Foundation since 2021. In November 2025, it was reported that Bilton had joined the cast of Tom Ford's next film, an adaptation of the Anne Rice novel Cry to Heaven.

Filmography Year Title Role Notes 2019 The Devil's Harmony Kornitzer Short film 2020 Shoal Connor 2021–present Foundation Brother Dawn Main role 2025 House of Guinness Michael TBA Post-production

Personal life Bilton is based in London and has expressed interests in visual arts and music.