The 21-year-old has been cast in Rooster Teeth’s new animated sci-fi gen:LOCK, according to Entertainment Weekly.
The star will take on the role of Scottish hacker Cammie MacCloud in the anime-style web series.
Set in a dystopian future Earth, the show follows a group of young pilots who are employed to control giant robots. Cultural divisions on the planet are solved though fighting in these giant-mecha robots.
It’s not the first time Williams has taken a dip into sci-fi acting, as she played Ashildr in series nine of Doctor Who.
Showrunner Gray G Haddock praised the actress and said: “Working with Maisie is as fun as it gets. Her energy and the sense of humour she brings to Cammie is an absolute delight.
“I’m running out of superlatives to describe how perfect this cast works for the characters, but Maisie truly sounds exactly like how Cammie does in my head — she’s brilliant.”
Maisie will be joined by fellow Doctor Who veteran David Tennant, as well as Michael B Jordan, Dakota Fanning and Kōichi Yamadera.
The series is set to hit Rooster Teeth in January 2019.