Oldham-trained actress Millie Gibson is set to leave her starring role in Doctor Who following just one season, according to multiple reports.

The 19-year-old only made her debut appearance as the Doctor's new sidekick last month in the Christmas Day special The Church on Ruby Road.

Gibson will appear as Ruby Sunday opposite Ncuti Gatwa in the upcoming season, which will air in May.

The former Blue Coat School student, who trained at the Oldham Theatre Workshop, will reportedly then be replaced as the full-time companion by Varada Sethu, best known for her role as Cindy in the Star Wars spin-off show Andor.

Following the reports, images have also emerged of Sethu and Gatwa holding hands and running at Penarth Pier in the Vale of Glamorgan, Wales, according to a report in The Mirror.

The pair are costumed in 1950s outfits and are speculated to be filming a US-set adventure for the timelord and his new companion for Gatwa's second season as the doctor.

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Gibson, best known for her role as Kelley Neelan in Coronation Street, said last year about joining the Whoniverse: “It’s a part I grew up watching, so it was crazy to take on.

“It’s a dream. I’m not gonna lie, when I left Corrie, I thought it’d be nice to get something, but [showrunner] Russell (T Davies) is a fan, so he actually got me an audition for this.

“I couldn’t be happier, and I couldn’t be prouder.”

Following the airing of the 14th season of Doctor Who, Sethu is understood to be the Doctor's new companion going forward.

Gibson is yet to make a public statement regarding the reports of her departure from the show.