The love of King Edward VIII for American divorcée Wallis Warfield Simpson eventually leads to his abdication.
| Actor | Role |
|---|---|
 Richard ChamberlainKing Edward VIII | King Edward VIII |
 Faye DunawayWallis Warfield Simpson | Wallis Warfield Simpson |
 Patrick MacneeLord Brownlow | Lord Brownlow |
 Eileen HerlieQueen Mary | Queen Mary |
| HHenry OliverWinston Churchill | Winston Churchill |
 Robert DouglasStanley Baldwin | Stanley Baldwin |
 Murray MathesonWalter Monckton | Walter Monckton |
| PPeter AshtonGeorge | George |
 Ivor BarryOwens | Owens |
 William BeckleyAlbert | Albert |
 Peter BromilowHarry | Harry |
 Eric MicklewoodNot listed | Not listed |
 Alberto MorinRouen Hotel Manager | Rouen Hotel Manager |
| GGerald PetersBenson (as Gerald S. Peters) | Benson (as Gerald S. Peters) |
| JJune Whitley TaylorFriend | Friend |