The soundtrack is recorded in a collaboration with choir "Latvia" and Latvian Radio.
In the book, Natasha's hair is black. For the series, Lily James dyed her natural brunette hair blonde.
James Norton (Prince Andrei) previously played Tommy Lee Royce on Happy Valley (2014). During series one, his character donned a disguise which included a hat, glasses, and a copy of the novel War and Peace.
After playing cousins in this mini series, Lily James and Aisling Loftus would star together again in the film Pride and Prejudice and Zombies (2016), where they played best friends Elizabeth Bennet and Charlotte Lucas.
Tom Burke, who plays a soldier in the Russian Army, also played Napoleon Bonaparte in an episode of 'The Great Commanders' about his command in Toulon.