Prime Video adds 11 to The Challenger limited series cast

Prime Video has added 11 actors in recurring roles, meaning multiple episodes without top billing, to The Challenger, Deadline reported on 14 October 2026. The limited series, meaning one planned season, covers NASA's 1986 Challenger disaster. Deadline says Kristen Stewart stars as Sally Ride and Will Arnett as George Abbey. Jamie Lee Dunn joins as Christa McAuliffe.