It was a big night for Doctor Who fans on Saturday (21 Nov) as the main man’s assistant, Clara Oswald, met an untimely and particularly gruesome end. But grief doesn’t hang around for long in television and already there have been whispers about who could be Clara’s replacement.

Doctor WhoWho will be the new person standing by the side of Doctor Who?

The latest reincarnation of Doctor Who, Peter Capaldi, added fuel to the fire when discussing Jenna Coleman’s assistant with Graham Norton.

He refused to be drawn on speculation about Game of Thrones star Maisie Williams taking the coveted role.

MORE: Could Doctor Who Soon Have A Female Doctor With A Male Assistant?

It wouldn’t be the first time the 18-year-old has stepped into the tardis as she played Ashildr - a resurrected Viking girl who was burdened with immortality after meeting the twelfth doctor on one of his adventures.

Speaking about his future companion to the chat show host, Capaldi described Maisie as "fantastic".

MORE: Maisie Williams Reveals Secrets Of Upcoming Doctor Who Role

He said: "She’s been in Game of Thrones since she was 12.

"I was doing a shot with her and when they called ‘action’ she slightly pulled me back. When I asked her what she was doing, she said ‘you’re in my light’.

"But she’s lovely."

Capaldi also revealed how sad it was when Clara died in her final episode but confirmed that she may not come back to the series.

He said: "Sometimes people can’t come back. Sometimes things happen that they can’t come back from."