- Writer:
- Bertram Colgrave
- Writer:
- Hilda Colgrave
- Producer:
- Cecil McGivern
- Hilda, Prioress of Whitby Monastery:
- Enid Cameron
- Sister Mathilda:
- Renie Bruce
- Bishop Aidan:
- Alan Kew
- King Oswy:
- Charles Wilkinson
- Oftfor young men:
- Gillie Fenwick
- John young men:
- Norman Murphy
- Bosa young men:
- William March
- Aetla young men:
- William Wilson
- Sister Osgyth:
- Bessie Catir
- Sister Mildred:
- Iris Scoti
- Elfled, daughter of Oswy (as a child):
- Joyce Gibbon
- Elfled, daughter of Oswy (as a woman):
- Lucy Stone
- Caedmon:
- Norman Richley
- Sister Bega:
- Pat Abram
- Sister Frigyth:
- Madge Turner
