- Unknown:
- Richard Griffiths
- Unknown:
- David Hare
- Music By:
- Jonathan Dove
- Director:
- Janet Whitaker
- Andrea, aged 24:
- Stephen Tompkinson
- Virginia:
- Natasha Pyne
- Signora Sarti:
- Jill Graham
- Old Cardinal:
- Maurice Denham
- Inquisitor:
- John Moffatt
- Cardinal Baberini:
- Bernard Hepton
- Cardinal Bellamin:
- David Collings
- Little Monk:
- Mark Lambert
- Federzoni:
- George A Cooper
- Philosopher:
- Peter Howell
- Mathematician:
- Ian Masters
- Sagredo:
- Gavin Muir
- Ludovico:
- Andrew Branch
- Chancellor:
- Derek Waring
- Vanni:
- Michael Tudor-Barnes
- Cosimo, aged 9:
- Benjamin Guy
- Cosimo, aged 33:
- Jonathan Keeble
- Monk:
- Oliver Senton
- Boy singer:
- Connor Burrowes
