House of the Dragon

actor Milly Alcock spoke about the extreme nerves she had going into the massive HBO series.

Alcock plays Princess Rhaenyra Targaryen

the Game of Thrones prequel alongside stars like Matt Smith and Paddy Considine.

The 22-year-old had few credits to her name before the role

dropping out of school to play misfit Meg in the Australian drama Upright.

“It was incredibly new and exciting and daunting, because I've only ever done Australian TV

so the budgets are immensely different; they're not in the same league,” Alcock told Nylon magazine in a new interview.

HBO’s multi-million-dollar production.