- Noah Huntley - Aidan Hardy
- James Fox - Sir Michael Fielding
- David Warner - Peter Fossett
- Sara Stewart - Miranda Darnley
- Alan Howard - Owen August
- Phoebe Nicholls - Laura Smythe-Webster
- William Beck - Michael Dewar
- Adrian Rawlins - David Orchard
- Jonathan Hackett - Rev Jim Hale
- Sandra Voe - Lorna Hastings
- Orlando Bloom - Peter Drinkwater
- Jeroen Krabbé - Cyrus LeVanu
- Paul Freeman - Sir John Waverley
- Kevin McNally - Gerald Farquaharson
- Nicky Henson - Terence Charteris
- Richard Lintern - Martin Spellman
- Simon Callow - Dr. Wellow
- James Cosmo - Jack 'Axeman' McKinley
- Sean McGinley - Sean O'Connell
- Gerda Stevenson - Sandra Bradshaw
- John Shrapnel - Leo Clarke
- Rupert Vansittart - Alistair Kingslake
- Angus Barnett - Kenny Pottinger
- David Yip - Fergus Rooney
- Alice Krige - Jenny Frazer
- Hugo Speer - Geoff Rogers
- Nick Moran - Michael Smith
- Nicholas Rowe - Edward Stannington
- Ian McNeice - Dr. Burgess
- Warren Clarke - Samuel Quested
- Timothy Bateson - James Jocelyne
- Selina Cadell - Venetia Butts
- Emily Mortimer - Katherine Lacey
- Sharon Small - Ruth Cameron
- Stephen Marcus - Silas Trout
- Julian Glover - Henry Trace
- Michael Byrne - Keith Grundy
- Rosalind Knight - Mother Jerome
- Isla Blair - Dr. Jane Moore
- Patrick Godfrey - Dudley Carew
- Margaret Tyzack - Harriet Compton
- Therese Bradley - Heather Carver
- Fiona Dolman - Sarah Barnaby
- Annette Badland - Dr. Fleur Perkins
- Caroline Graham
- Jim Parker
Noah Huntley hace el papel de Aidan Hardy.
James Fox interpreta a Sir Michael Fielding en la serie.
David Warner interpreta a Peter Fossett en la serie.
Sara Stewart hace el papel de Miranda Darnley.
Alan Howard interpreta a Owen August en la serie.
Phoebe Nicholls hace el papel de Laura Smythe-Webster.
William Beck interpreta a Michael Dewar en la serie.
Adrian Rawlins interpreta a David Orchard en la serie.
Jonathan Hackett interpreta a Rev Jim Hale en la serie.
Sandra Voe interpreta a Lorna Hastings en la serie.
Capítulo disponible en las siguientes plataformas:
