The actor Nikki Amuka-Bird, 46, was born in Nigeria and raised in Lagos, Antigua and west London. She trained at Lamda and began her career at the RSC. She was Bafta-nominated for the BBC’s adaptation of Zadie Smith’s NW; other screen credits include Luther, Small Island and The Personal History of David Copperfield. She plays Rav in Armando Iannucci’s sci-fi comedy Avenue 5 and stars in M Night Shyamalan’s new apocalyptic psychological thriller Knock at the Cabin, in cinemas from 3 February.