ट्रिविया

The series takes place from 1853 to 1918.

Michael Kitchen reprised his role as Leon Trotsky on stage in Robert Bolt's play State of Revolution.

The first BBC role of Curd Jürgens.

John Turner appeared in Rasputin (1996), which covers some of the ground as this series.

Gemma Jones played Queen Victoria's daughter in this mini-series, and Queen Victoria in Shanghai Knights (2003).