The monarch made the comments during his first meeting with the prime minster this year.
The Prince of Wales, who is the president of the British Academy of Film and Television Arts, left fans gobsmacked by this admission.
It's an unusual statement from a member of the Royal Family, who have to stay apolitical.
The Duke of Sussex says he immediately arranged to go to the UK after his father called to tell him he had cancer.
The palace said on Monday that the monarch had begun treatment for cancer, days after undergoing surgery.
The Prince of Wales also addressed Kate Middleton's recent surgery and hospital stay.
The monarch is currently still carrying out his constitutional duties after his cancer diagnosis.
The Better Call Saul star denounces monarchies right before he learns of an unexpected family connection.
Her sister has royal connections, too.
The Princess of Wales underwent surgery on 16 January and was released from the hospital on Monday.