Filmed throughout his one hundredth year – before and after his death – this landmark portrait of the Duke of Edinburgh features only those who knew him best: his family and closest staff.
| Actor | Role |
|---|---|
 King Charles III of the United KingdomSelf | Self |
 Andrew Mountbatten WindsorSelf | Self |
 Anne, Princess RoyalSelf | Self |
 Queen Camilla of the United KingdomSelf | Self |
 Zara TindallSelf | Self |
 William, Prince of WalesSelf | Self |
 Prince Harry, Duke of SussexSelf | Self |
 Elizabeth II of the United KingdomSelf (archive Footage) | Self (archive Footage) |
 Prince Philip, Duke of EdinburghSelf (archive Footage) | Self (archive Footage) |