Last year, which was Doctor Who's 50th anniversary, Kate O'Mara said she would love to reprise her role as The Rani.
O'Mara told the Huffington Post: "I'd love to come back as The Rani another time around.
"To have a much older woman as your adversary, there's something interesting about that."
More top news
The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.