'Chernobyl' star Paul Ritter, who also had roles in Harry Potter and James Bond movies, dies at 54

British actor Paul Ritter, who starred in HBO's "Chernobyl," has died aged 54.

Ritter died at home with his family on Monday after suffering from a brain tumor, his agent said in a statement.

"It is with great sadness we can confirm that Paul Ritter passed away last night," his agent said, according to The Guardian.

"He died peacefully at home with his wife Polly and sons Frank and Noah by his side. He was 54 and had been suffering from a brain tumor."

He played the Chernobyl Nuclear Power Plant engineer Anatoly Dyatlov in the 2019 HBO series "Chernobyl," and appeared in the British TV show "Friday Night Dinner," in "Harry Potter and the Half-Blood Prince," and the James Bond film "Quantum of Solace," as well as in many stage productions.