Last year the character returned to screens in a newly colourised version of the 1963 episode, The Daleks, which was broadcast on BBC Four to mark the show’s 60th anniversary.
The actress encouraged fans to be vocal in their support of her return if there was any chance of her returning.
In an interview on BBC Three Counties Radio, she hinted that she had had “one or two” conversations about returning in the past.
“I’ve had many conversations about going back, maybe not with the right people, I don’t know,” she added.
When it was suggested her character could be recast, she joked: “They better not, I’d burn the studio down.”
