Millie Gibson is being replaced after just one season of playing the Doctor?s companion, according to reports.
Gibson, 19, debuted her role in the BBC?s long-running sci-fi show during the Christmas Day special as orphan Ruby Sunday, starring opposite the new Time Lord, Sex Education star Ncuti Gatwa.
According to a Variety report, Gibson will appear as Ruby in the forthcoming 14th season as expected but she will not return for the 15th season since she has been written out.
The Independent has contacted the BBC, Gibson?s representatives and Bad Wolf Productions for comment.
Gibson, who until recently was best known for playing Kelly Neelan in Coronation Street, will be replaced by actor Varada Sethu, a source told the publication.