- Written By:
- Alun Richards
- Designer:
- Michael Wright
- Producer:
- John Hefin
- Lifeboat crew: Jack Tustin:
- Philip Madoc
- Lifeboat crew: Animal Morgan:
- Glyn Owen
- Lifeboat crew: Stick Watts:
- Gerald James
- Lifeboat crew: Harry Quentin:
- Jaiies Warrior
- Lifeboat crew: Geoffrey Hannah:
- David Lyn
- Lifeboat crew: Snowy White:
- John Cording
- Lifeboat crew: George Peace:
- Philip Rowlands
- Lifeboat crew: Len Dance:
- Huw Ceredm
- Lifeboat crew: Ben Dance:
- Mici Plwm
- Lifeboat crew: Ned Spelling:
- Cadfan Roberts
- The Grail: Nance:
- Rachel Thomas
- The Grail: Jenny:
- Beth Morris
- The Grail: Billy John:
- Alun Lewis
- The Grail: Luke:
- Hugh Thomas
- The Grail: Amy Tustin:
- Denise Buckley
- The Grail: Dr Stafford:
- Gareth Armstrong
- The Grail: Lady Hannan:
- Susan Dowdall
- The Grail: Miss Hazell:
- Hazel Wyn Williams