CARDIFF, WALES - SEPTEMBER 05: Teresa Palmer attends the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Teresa Palmer attends the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Teresa Palmer attends the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Valarie Pettiford and Alex Kingston attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Teresa Palmer and Matthew Goode attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Malin Buska and Louise Brealey attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Trystan Gravelle and Sarah Louise Madison attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Trystan Gravelle and Sarah Louise Madison attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Anne Mensah, head of drama at Sky, and Gary Davey, managing director of Sky content, attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Executive producer Kate Brooke attends the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Trystan Gravelle and Aiysha Hart attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Trystan Gravelle and Aiysha Hart attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Tanya Moodie and Greg McHugh attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Tanya Moodie and Greg McHugh attend the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Author Deborah Harkness attends the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)
CARDIFF, WALES - SEPTEMBER 05: Author Deborah Harkness attends the UK Premiere of 'A Discovery Of Witches' at Cineworld on September 5, 2018 in Cardiff, Wales. (Photo by Matthew Horwood/Getty Images)