- Author:
- E. Temple Thurston
- Adapter/producer:
- Michael Barry
- Incidental music composer:
- James Hartley
- Judith:
- Joan Haythorne
- Rachel, Matathias' sister:
- Marguerite Young
- Matathias, the Jew:
- Andrew Osborn
- Boemond, Prince of Tarentum:
- Jon Pertwee
- Godfrey, Duke of Normandy:
- Hilary Wontner
- Raymond of Toulouse:
- John Warrington
- Issachar, an old Jew:
- John Gabriel
- Joanne de Beaudricourt:
- Leueen McGrath
- The Unknown Knight:
- Andrew Osborn
- Phirous, a man'at-arms:
- John Baker
- Mario:
- Victor Woolf
- Andrea Michelotti, a merchant:
- Leonard Sachs
- Matteos Battadios, the Jew:
- Andrew Osborn
- Gianella Battadios, his wife:
- Patricia Hillyard
- Pietro Morelli, a priest:
- Anthony Viccars
- Al Kazar, a servant:
- John Baker
- Lazzaro Zapportas:
- Julian Somers
- Maria Zapportas, his wife:
- Eileen Draycott
- Arnaldo Zapportas, his son:
- Jacqueline Boiteux
- Matteos Battadios, the Jew:
- Andrew Osborn
- Olalla Quintana, a harlot:
- Pauline Letts
- Gonzalez Ferera, the Fiscal:
- John Warrington
- Alonzo Castro, the Confessor:
- Victor Woolf
- Juan de Texeda, Inquisitor-General:
- Hugh Griffiths
