The Crown (Netflix)

Actress Mahira Khan may have spilled a big secret about an important casting in the upcoming season of Netflix’s royal family drama The Crown.

Khan tweeted today that Humayun Saeed has apparently won the role of Dr. Hasnat Ahmad Khan, the British-Pakistani heart and lung surgeon who had a romantic relationship with Diana, Princess of Wales, from 1995 to 1997. She died in a car crash on Aug. 31, 1997.