Lee Remick (Jennie, Lady Randolph Churchill) and Thorley Walters (Albert, Prince of Wales) died only four days apart: Remick on July 2, 1991 and Walters on July 6, 1991.
Lee Remick (Lady Randolph Churchill) is the only actor to appear in all seven episodes of the series. In second place is Barbara Parkins (Leonie Jerome Leslie), who appears in all but the second episode Lady Randolph (1974).
The series takes place from 1873 to 1921.
Some of the scenes in the life of Randolph and Winston Church portrayed in the series had already been portrayed in the film Gli anni dell'avventura (1972) only two years earlier.
Lee Remick was the second actress to portray Lady Randolph Churchill onscreen, Anne Bancroft's portrayal occurring in Gli anni dell'avventura (1972). Remick and Bancroft had both vied for best actress at 35th Annual Academy Awards (1963), with Remick (I giorni del vino e delle rose (1962)) being trumped by Bancroft (Anna dei miracoli (1962)).