- Unknown:
- James Forsyth
- Composed By:
- Franz Reizenstein
- Played By:
- Raymond Cohen
- Played By:
- Clifton Helliwell
- Production By:
- Donald McWhinnie
- Judy, friend of Paul and his family:
- Mary Manson
- Paul Harrow, Arts graduate and National Serviceman:
- Denholm Elliott
- Peter Harrow, his father (' The Captain ').:
- Richard Williams
- Lisel Rostum, a German concert violinist:
- Renee Goddard
- Heinrich Eckermann, her manager:
- Arnold Diamond
- Christoph Krauss, printer's engraver and composer:
- .David Peet
- Private Marchant (' Spud '), friend of Paul:
- Howard Pays
- The Brigadier (of Paul's Brigade Group), a wartime associate of Peter:
- Jack Allen
- Hella, servant to the Rostum family:
- Ursula Heimann
- Frau Rostum, Lisel's mother:
- Dorothy Holmes-Gore
- Sgt Brock, a regular sergeant:
- Jeffrey Segal