- Unknown:
- Percy Bysshe Shelley
- Adapted By:
- Frank Hauser
- Unknown:
- Ernest Milton
- Unknown:
- Pauline Letts
- Unknown:
- Hermione Hannen
- Composed By:
- Norman Demuth
- Unknown:
- Marjorie Westbury
- Production By:
- Mary Hope Allen
- Production By:
- Frank Hauser
- Prometheus:
- Stephen Murray
- The Earth ,:
- Cathleen Nesbitt
- Jupiter:
- Ernest Milton
- lone:
- Peggy Bryan
- Panthea:
- Pauline Letts
- First Fury:
- Catherine Lacey
- Second Fury:
- Marjorie Westbury
- Third Fury:
- Lydia Sherwood
- Fourth Fury:
- Gladys Spencer
- Fifth Fury:
- Sybil Arundaie
- Mercury:
- Norman Claridge
- First Spirit:
- Derek Hart
- Second Spirit:
- Margaret Vines
- Third Spirit:
- John Bryning
- Fourth Spirit:
- Joan Ireland
- Asia:
- Hermione Hannen
- Demogorgon:
- William Devlin
- First Spirit of the Hours:
- John Vere
- Second Spirit of the Hours:
- Patricia Hayes
- Ocean:
- Ronald Simpson
- Apollo:
- John Horsley
- Hercules:
- Alec Mango
- Narrator:
- Basil Dignam
