She had been paired with professional dancer Nikita Kuzmin in Saturday’s launch showAdvertisement AdvertisementAdvertisement AdvertisementWhen does Strictly Come Dancing 2025 start? “Working on EastEnders and being a part of Strictly Come Dancing is the stuff that dreams are made of. Alex Kingston – ER and Doctor Who starAlex Kingston mastered time and space in Doctor Who – can she do the same on the Strictly dance floor? She said: “I’m absolutely over the moon to be joining the cast and pros of Strictly Come Dancing this year. “With a heavy heart, I have to step back from this season of Strictly Come Dancing due to unexpected medical reasons,” he said.