The true story of a Prussian aristocrat working for German military intelligence during World War II, who, with a group of fellow devout Christians, plotted to assassinate Hitler with a bomb in his briefcase.
| Actor | Role |
|---|---|
 Helen McCroryFreya von Moltke | Freya von Moltke |
 James WilbyHelmuth James von Moltke | Helmuth James von Moltke |
| AAshley JamesHans | Hans |
 Colin BuchananPeter Yorck | Peter Yorck |
 Alun ArmstrongPastor Harold Poelchau | Pastor Harold Poelchau |
 Anna Calder-MarshallDorothy Poelchau | Dorothy Poelchau |
 Ben ColeFather Delp | Father Delp |
| SSonia Forbes AdamMaryon Yorck | Maryon Yorck |
 Glynn SweetHans Peters | Hans Peters |
| BBen BazellAugustin Rosch | Augustin Rosch |
 Ella KenionChristina | Christina |
 Derek JacobiGeneral | General |
 David WestheadSS Officer Lange | SS Officer Lange |
| AAntony BrownDrogen Policeman | Drogen Policeman |
 Adrian HoodRavensbruck Guard | Ravensbruck Guard |
 Brian CoxJudge Freisler | Judge Freisler |
 Geoffrey HutchingsPrison Governor | Prison Governor |
| JJohn SouthworthGovernor's Guard | Governor's Guard |