Dinklage and Headey appeared on
On "Game of Thrones," Headey plays Cersei Lannister, mother of the sociopathic ruler of the Seven Kingdoms, Joffrey Baratheon, whose desire for power and respect has left bodies in her path. Dinklage plays her younger brother, Tyrion, whose short stature and keen intelligence have earned him nothing but scorn and mistrust from his elder sister.
"Game of Thrones" may be a strict no-kid zone (at least in the audience), but Dinklage and Headey aren't the first actors with grown-up followings who have made the journey to the long-running kids show, which began its 44th season this week.
Other guest stars from the current season who are probably more familiar to parents include
Last season, "