The "For All Mankind" spinoff "Star City" is building out its cast with the addition of three new series regulars.

Apple TV+'s 'For All Mankind' spinoff, 'Star City,' will tell the alternative history of the space race from the perspective of the Soviet Union

Alice Englert (Bad Behaviour) have joined the cast of Star City, Apple TV+’s upcoming spinoff from the streamer's space drama For All Mankind. They join previously Created by Ben Nedivi, Matt Wolpert and Ronald D.

Agnes O’Casey (“Black Doves”) and Alice Englert (“Bad Behaviour”) have joined the cast of “Star City,” Apple TV+’s upcoming spinoff from the streamer’s space drama “For All Mankind,” reports Deadline.