Elizabeth Debicki says it was a ‘real hurdle’ arriving on the set of The Crown for the first time, as she could not believe she had won the role.

The actress, 32, portrays the late Diana, Princess of Wales in the new Netflix series and was unable to believe she was starring.

She told the Radio Times: ‘There’s the actual hurdle of getting on the set on the first day – I remember this strange, very slow fall. It’s like, “It’s happening. It’s really happening. The cameras are rolling, and I’m really doing this thing.”

Star of the show: Elizabeth Debicki says it was a ‘real hurdle’ arriving on the set of The Crown for the first time as she was in total disbelief

‘But people making this show have done this for many years, so there was a real support network around us to say, “This is totally normal. Everybody felt like this when they started. It takes time, and then you will find your feet.” And we all did.’

In it’s most controversial series yet, the brand new trailer declares that the ‘royal family is in genuine crisis’, as it depicts at-the-time Prince Charles and Diana’s divorce.

However, while Elizabeth is not willing to give too much away, she insists it open to interpretation.

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On screen: The actress, 32, portrays the late Diana, Princess of Wales in the new Netflix series and was unable to believe she was starring

The forthcoming season five will document the events leading up to Diana’s death, but won’t reveal the tragic incident until season six – with it recently being revealed that the 1997 car crash which led to her death won’t be shown in the season.

In the early hours of 31 August 1997, Diana, Princess of Wales, died from a car crash in the Pont de l’Alma tunnel in Paris, France. Dodi Fayed, Diana’s partner, and Henri Paul, the driver of the Mercedes-Benz W140 S-Class, were pronounced dead at the scene.

Khalid Abdalla will portray her partner Dodi in the new season, while Salim Dau takes on the role of Mohamed Al-Fayed.

The Crown teaser shows Diana in an intense car chase scene

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Elizabeth spoke to the current issue of the Radio Times

But one source recently told The Sun: ‘To be going back to Paris and turning Diana’s final days and hours into a drama feels very uncomfortable.

‘The show always tried to present a fictional version of royal history with as much sensitivity as possible. But lately, as things get closer to the present day, it feels harder to strike that balance.’

Throughout the trailer, emphasis is placed on pressure the royal family faced during the 1990s as the marriage between Prince Charles and Princess Diana broke down.

Dubbing the fifth season as ‘the beginning of the end’, the new trailer shows Diana in a skin-baring swimsuit as she floats in the water while appearing at a loss.

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Ready to air: The forthcoming season five will document the events leading up to Diana’s death, but won’t reveal the tragic incident until season six