Sean Connery as Zed

Charlotte Rampling as Consuella

Sara Kestelman as May

John Alderton as Friend

Sally Anne Newton as Avalow

Niall Buggy as Arthur Frayn / Zardoz

Bosco Hogan as George Saden

Jessica Swift as Apathetic

Bairbre Dowling as Star

Christopher Casson as Old Scientist

Reginald Jarman as Death (voice)

John Boorman as Farming Brutal Shot by Zed (uncredited)

Katrine Boorman as Young Eternal (uncredited)

Telsche Boorman as Young Eternal (uncredited)

David de Keyser as Tabernacle (voice) (uncredited)