The British actor was also known for his extensive work on the stage.

Ian Gelder, who was best known for HBO seriesGame of Thrones, has died at 74.

“If we weren’t together we spoke to each other everyday.

Game of Thrones Book of the Stranger Season 6, Episode 4 Air Date: May 15, 2016 Diana Rigg, Ian Gelder.

“Game of Thrones” actor Ian Gelder has died.HBO

He was the kindest, most generous spirited and loving human being.

I honestly don’t know what I’ll do without him by my side.

He coped with his dreadful illness with such bravery, with no self pity.

LONDON, ENGLAND - APRIL 03: Ian Gelder attends the 31st Annual Critics' Circle Theatre Awards after party at The Ham Yard Hotel on April 3, 2022 in London, England

Actor Ian Gelder pictured in 2022.Dave Benett/Getty

He was remarkable and will be so missed.”

HBO

In addition toGOT, Gelder appeared on TV in five episodes of BBC sci-fi seriesTorchwood.

Dave Benett/Getty

Gelder was known for his work on the stage, too.

They noted that he’s been “a regular on the RSC stage” since the ’70s.

Among other characters, he played Antonio inThe Merchant of Veniceand Clarence inRichard III.