Olivia Colman and the rest of the ensemble are sending audio recordings through to the post-production team for 'The Crown'.
Suzanne Mackie stated that the award-winning drama probably won't catch up to present day.
Olivia Colman is currently playing Queen Elizabeth II in the third season of 'The Crown'.
Viewers in the UK and Ireland will be able to stream the first episode of the third series online.
The actress has revealed she was a guest of Her Majesty several years ago and slept in Prince Charles' rooms.
The Oscar winner says she wouldn't agree to gaining lots of weight for a role again.
The actor will star as Queen Elizabeth II when the series returns to Netflix later this month.
The actress has bid farewell to her role as Princess Margaret as Helena Bonham Carter takes over.
Actors Josh O'Connor and Emma Corrin were spotted recreating an infamous moment the royals shared in Australia.
Helena Bonham Carter used rather unconventional methods to research for her role as Princess Margaret in Netflix hit 'The Crown'.
Netflix series The Crown has cast newcomer Emma Corrin as Lady Diana Spencer, to be introduced in its fourth season.