Characters played by Colin Firth
Donald Crowhurst
Characters played by Eleanor Stagg
Rachel Crowhurst
Characters played by Rachel Weisz
Clare Crowhurst
Characters played by Zara Prassinot
Waterskiing Girl
Characters played by Oliver Maltman
Dennis Herbstein
Characters played by Mark Gatiss
Ronald Hall
Characters played by Simon McBurney
Sir Francis Chichester
Characters played by Sam Hoare
Mr. Hughes
Characters played by Avye Leventis
Mrs. Hughes
Characters played by Finn Elliot
James Crowhurst
Characters played by Kit Connor
Simon Crowhurst
Characters played by Andrew Buchan
Ian Milburn
Characters played by Anna Madeley
Sara Milburn
Characters played by Ken Stott
Stanley Best
Characters played by Adrian Schiller
Mr. Elliot