Shes a tyrannical narcissist, truly shes really evil.

Theres no escaping the fact that shes a bad person, Kingsley told us.

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Its a great role, she laughed.

`Scary stuff at the National Theatre

Katherine Kingsley, ‘The Witches’Yellow Belly. Illustration design by Laurie Avon

Theres a lot of fun to be had with her, but equally shes utterly terrifying.

Her coven of witches dares not disobey the Grand High Witch, said Kingsley.

She takes no prisoners and isnt afraid to destroy her own.

Emma Hall and Charlie Parham and cast from film ‘Starter for 10’

Katherine KingsleyMark Nash

The Grand High Witch has potions and nasty little tricks up her devious sleeve, Kingsley warned.

The character is highly polished and respectable looking no pointy hat or broomstick.

The Witchesis having a final workshop this week.

Rehearsals start in September, and performances begin November 7 in the NTs Olivier Theatre.

Kingsley and officials at the NT cautioned that the show is for ages 8 and up.

The actress observed that her own three year old son wont be seeing it.

Tickets go on general sale April 27 and they start at 20.

There will be loads going for 20 which is really good news, said Kingsley.

The new NT season also will feature a revival of Lucy PrebblesThe Effectdirected by Jamie Lloyd.

It runs in the NTs Lyttelton from August and will star Paapa Essiedu and Taylor Russell.

It will star Hiran Abeysekera (Life of Pi) and Paul Bazely.