Old Jerusalem: Matathias, spiteful over his lover's illness, spits on Jesus along the road to Calvary, and is cursed to live endlessly until His return. The Crusades, 1150: Matathias, now an anonymous knight, competes for glory in combat and for the wife of a soldier. Palermo, 1290: Matteos Battadios witnesses the death of his young son, leading to conflict with his wife over whether to take comfort in Christianity. Seville, 1560: Dr Matteos Battadios dedicates himself to the treatment and comfort of the poor, but his life and work are endangered by the arrival of the Spanish Inquisition.
Conrad Veidt
as Matathias / The Unknown Knight / Dr Matteos Battadios
Marie Ney
as Judith (Phase I)
Basil Gill
as Pontius Pilate (Phase I)
Cicely Oates
as Rachel (Phase I)
Anne Grey
as Joanne de Beaudricourt (Phase II)
Bertram Wallis
as Boemund, Prince of Tarentum (Phase II)
Hector Abbas
as Isaachar (Phase II)
Dennis Hoey
as Lord de Beaudricourt (Phase II)
Jack Livesey
as Godfrey, Duke of Normandy (Phase II)
Kiyoshi Takase
as Phirous (Phase II)
Alan Napier
as Knight (Phase II)
Joan Maude
as Gianella (Phase III)