Ser Otto Hightower is a character from House of the Dragon, an American fantasy drama television series created by George R. R. Martin and Ryan J. Condal for HBO. The character was portrayed by Rhys Ifans.
Ser Otto Hightower is Alicent's father, the Hand of the King, who serves King Viserys and the realm. He is a bitter political rival of Prince Daemon.
Set two hundred years before the events of Game of Thrones, the series chronicles the beginning of the end of House Targaryen, the events leading up to the Targaryen civil war, known as the "Dance of the Dragons", and the war itself.