- Adapted By:
- P. H. Burton
- Produced By:
- Dafydd Gruffydd
- Composed By:
- John Greenwood
- Conducted By:
- Hubert Clifford
- Merri:
- Edith Evans
- Rob Davies:
- Emlyn Williams
- Merri's adopted sons: Gareth:
- Richard Burton
- Merri's adopted sons:Dafydd:
- Anthony James
- Lord Lancashire:
- William Trent
- Lady Dolwyn:
- Barbara Couper
- The Minister:
- Kenneth Evans
- Caradoc Roberts:
- Roddy Hughes
- Dorcas, the barmaid:
- Pat Glyn
- Mrs Thomas-the-Shop:
- Madoline Thomas
- John Henry, a deacon:
- Tom Jones
- Idris, a villager:
- Edward Rees
- Eira, Dorcas' friend:
- Mary Jones
- Watkins, a watchman:
- Emrys Leyshon
- Nurse Pugh:
- Betty Stanley
- Solicitor:
- Moses Jones
- Villager:
- Prysor Williams