Queen Elizabeth II of the United Kingdom

Herself

Prince Philip, Duke of Edinburgh

Himself

Queen Elizabeth the Queen Mother

Herself (archive footage)

King George VI of the United Kingdom

Himself (archive footage)

Keeley Hawes

Narrator

John Hall

Himself

Lady Glenconner

Herself

Bernard Fitzalan-Howard 16th Duke of Norfolk

Himself (archive footage)

Alastair Bruce

Himself - Royal Commentator