The actors will team up with Daniel Portman, Kristian Nairn, and Natalia Tena for the virtual fantasy game on June 20, 2020 to raise cash for child poverty charity Comic Relief.
"D&D Live 2020: Roll w/ Advantage" is the latest event in a series of celebrity-filled virtual Dungeons & Dragons games.
The "Game of Thrones" stars taking part have filmed a teaser video, which dropped on Friday, June 12, 2020.
Let the game begin at 1 P.M. on June 20. Information is available here.