Adrian Schiller, who was known for his work on “Doctor Who” and “The Last Kingdom,” died on Thursday. He was 60.

The actor’s death was confirmed by his reps at the Scott Marshall Partners, who said that his family is “devastated by the loss.”

“He has died far too soon, and we, his family and close friends are devastated by the loss,” the agency said, per The Independent. “His death was sudden and unexpected and no further details around its cause are yet available.”

The Post reached out to Schiller’s reps for additional comment.

According to the agency, the renowned actor had just returned home from Sydney, Australia, where he was performing in a production of “The Leham Trilogy.” He was “looking forward to” continuing the tour, which was slated to continue in San Francisco.

Schiller’s death was also confirmed by his sister, Ginny, who posted the heartbreaking news on the actor’s X (formerly Twitter) account.

“Dear all. This is Ginny. I’m so sorry to let you all know that our beloved brother Adrian died suddenly at home yesterday,” she wrote. “He had so many very dear friends – sorry to those of you who are learning about this here. We will say more about funeral and/or memorial plans in due course.”