A love story offering an intimate look inside the marriage of Winston and Clementine Churchill during a particularly troubled, though little-known, moment in their lives.
| Actor | Role |
|---|---|
 Albert FinneyWinston Churchill | Winston Churchill |
 Vanessa RedgraveClemmie Churchill | Clemmie Churchill |
 Jim BroadbentDesmond Morton | Desmond Morton |
 Linus RoacheRalph Wigram | Ralph Wigram |
 Lena HeadeyAva Wigram | Ava Wigram |
 Tom WilkinsonSir Robert Vansittart | Sir Robert Vansittart |
 Derek JacobiStanley Baldwin | Stanley Baldwin |
 Celia ImrieViolet Pearman | Violet Pearman |
 Hugh BonnevilleIvo Pettifer | Ivo Pettifer |
 Tom HiddlestonRandolph Churchill | Randolph Churchill |
 Ronnie BarkerDavid Inches | David Inches |
 Gottfried JohnFriedrich von Schroder | Friedrich von Schroder |
 Anthony BrophyBrendan Bracken | Brendan Bracken |
 Edward HardwickeMr. Wood | Mr. Wood |
 Tim BentinckMarlborough | Marlborough |
 Dolly WellsSarah Churchill | Sarah Churchill |
 Lyndsey MarshalPeggy | Peggy |
 Walter SittlerGerman Diplomat | German Diplomat |
 John StandingLord Moyne | Lord Moyne |
 Simon WilliamsTerence Philip | Terence Philip |
| JJoanna McCallumMarjorie | Marjorie |
| PPhilip HarveyClub Doorman | Club Doorman |