Creator Peter Morgan focuses explicitly on factual events and complex adult relationships rather than activist messaging or norm-challenging themes. Episode plots stay rooted in documented history, covering King George VI's death, coronation protocol disputes, Winston Churchill's premiership and health crises, the Great Smog of 1952, and Princess Margaret's relationship with Peter Townsend, without any identity politics or systemic oppression framing. Casting matches historical figures with zero race, gender, or sexuality changes, using period-appropriate actors such as Claire Foy as Elizabeth, Matt Smith as Philip, Vanessa Kirby as Margaret, and John Lithgow as Churchill.

The all-white British ensemble accurately reflects the documented demographics of the time and setting, avoiding any forced diversity or swaps of established characters. This approach keeps the series free of progressive ideological intrusions and prioritizes straightforward historical storytelling.