- Writer:
- Mary Dunn
- Producer:
- Barbara Hammond
- Designer:
- Austen Spriggs
- Pierre Rozay:
- Yves Ratier
- Raymon:
- Barry Barnett
- Clerk:
- John Barrett
- Dennis:
- Patrick Bedford
- Professor Hoad:
- Maurice Colbourne
- Sidney Towler:
- Garard Green
- Richard Towler:
- Edward Higgins
- A French waiter:
- Edward Malin
- Madame Rozay:
- Shirley Cooklin
- Postman:
- Ian Wilson
- Madame Tregan:
- Beatrice Varley
- Monsieur Tregan:
- Jefferson Clifford
- Monsieur Rozay:
- Gareth Jones
