Did Doctor Who drop the ball by failing to cast a female regeneration of the famous Time Lord? Paul McGann certainly thinks so.

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The Doctor is canonically male, but regeneration can allow the alien to turn into any form of Time Lord, including a woman.

When the series said goodbye to Matt Smith as the Eleventh Doctor, many fans hoped to see a female left standing in his place. McGann, apparently, was of a similar mind, according to the Radio Times.

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The Eighth Doctor spoke on the issue while addressing the Cambridge Union Society, and the actor stated that Doctor Who 'missed a trick' by not casting someone like Tilda Swinton and Diana Quick for the titular role.

Showrunner Steven Moffat on the other hand claims that people high up on the Doctor Who food chain were quite stubbornly set against a gender change on the 50-year-old series.

"It didn't feel right to me, right now. I didn't feel enough people wanted it," Moffat said, according to Screen Rant. "Oddly enough most people who said they were dead against it - and I know I'll get into trouble for saying this - were women [...] [They were] saying, 'No, no, don't make him a woman!'"

Do you think the BBC program should have cast a woman as the Twelfth Doctor, or was Peter Capaldi the right choice? Sound off in the poll below!

Doctor Who will return to the BBC and BBC America this August.