- Author:
- Christopher Fry
- Designer:
- Norman James
- Producer:
- Stuart Burge
- Jakob:
- James Maxwell
- Kassel:
- Gerald James
- Belmann:
- Andre van Gyseghem
- Stefan:
- Brian Smith
- Bella:
- Barbara Everest
- Willi:
- Melvyn Hayes
- Gelda:
- Daphne Slater
- Richard Gettner:
- Peter Wyngarde
- Countess Rosmarin Ostenburg:
- Edith Evans
- Colonel Janik:
- Joseph O'Conor
- Count Peter Zichy:
- John Phillips
- First soldier:
- Raymond Witch
- Second soldier:
- Gertan Klauber
- Third soldier:
- John ffrench
- First guard:
- Peter Halliday
- Second guard:
- Charles Rea
