M illy Alcock is best known for her roles on Netflix's Sirensand HBO's House of the Dragon, but this show with a 95% RT audience score is still one of her best.Milly Alcock broke big playing the ...

Who does Milly Alcock play in House of the Dragon? In 2022, Milly was cast in the HBO fantasy prequel, which is an adaptation of George R. R. Martin's fictional history book, Fire and Blood.

But when it came to Milly Alcock, I had a moment of, “Wait, I know that face.” ... Upright and The Familiars—with her first acting credit dating back to 2014. Advertisement.

Milly Alcock as Simone, and Julianne Moore as Michaela in a scene from “Sirens.” (Courtesy of Netflix) By Stephen Schaefer. PUBLISHED: May 21, 2025 at 3:47 AM EDT.

Milly Alcock questioned her acting chops after she was told she was getting an acting coach following her first day on the 'House of the Dragon' set.

Bill Camp as Bruce, Meghann Fahy as Devon in “Sirens” (Netflix) Bill Camp as Bruce. Bill Camp plays Bruce, Simone and Devon’s father who suffers from early-onset dementia.