'Doctor Who' star John Barrowman would "love to see a transgender Doctor" when Jodie Whittaker moves on.

John Barrowman

John Barrowman

The 53-year-old star - who plays Captain Jack Harkness on the beloved BBC sci-fi show - has called on bosses to "take another leap" by having an LGBTQ+ Time Lord in the TARDIS once the first ever female Doctor leaves the role.

He told Metro.co.uk: "I'd love to see a transgender Doctor. I think that would be awesome."

He also suggested an "androgynous, gender non-specific person" would be "really good" for the part.

He added: "With Jodie, they made a leap. They made a huge leap and it worked for them, and then [it's] time for them to make another leap."

John - who first appeared on the show in 2005 and most recently starred in Christmas special Revolution of the Daleks - weighed in on LGBTQ+ representation on 'Doctor Who', pointing to his own casting and Pearl Mackie's character Bill Potts.

He said: "I was the first openly gay actor playing a character like Captain Jack, who we called omnisexual.

"He didn’t care who he slept with really, and he was unapologetic about his sexuality. We have had LGBTQ+ representation on the TARDIS.

"During Peter Capaldi’s reign, we had a character who was a lesbian [Bill Potts, played by Pearl Mackie]. So yeah, we’ve had them, why not have a Doctor the same?"

And while he's sure his character will return, he isn't sure whether or not they would have Captain Jack as a potential love interest for an LGBTQ+ Doctor.

He pondered: "If that were to happen, that would be a massive decision. Captain Jack, I think, would just come back - if it does happen - for one off things, because he is a popular character."