Prime Video’s The Challenger just got a major cast boost — six new names joining the already stacked ensemble for its limited series adaptation of the 1986 space shuttle disaster. The additions, confirmed by Deadline, include Pat Healy as Arnie Aldrich, Chinaza Uche as Ron McNair, Dave Davis as Bob Crippen, Jordan Bridges as Jesse Moore, Kevin Isola as Al McDonald, and Adam Aalderks as Robert ‘Hoot’ Gibson. All will recur across the series’ run. The show, created by Maggie Cohn and based on Meredith E. Bagby’s book The New Guys, dives into the events before, during, and after the explosion that killed all seven crew members aboard the Challenger. It also spotlights Sally Ride’s historic role as the first American woman in space, portrayed by Kristen Stewart. Will Arnett takes on George Abbey, the NASA official who assigned Ride to STS-7. Danny Huston plays William Rogers, head of the investigation into the disaster. Sofia Black D’Elia is Judy Resnik, the fourth woman in space and one of those lost. Paul Sparks portrays Larry Mulloy, NASA’s SRB project manager. Boris McGiver plays Bill Lucas, an official blamed for the tragedy. And Shea Whigham steps into Roger Boisjoly’s shoes, the engineer who warned against launch. William Fichtner joins as physicist Richard Feynman, with Kevin Carroll as his colleague Professor Arthur Walker. Eric Lange plays Gen. Donald Kutyna, while Adelaide Clemens is Rhea Seddon, Louisa Jacobson portrays Tam O’Shaughnessy (Ride’s partner), and Hunter Burke takes on astronaut Steve Hawley. James Hawes directs and executive produces, with Cohn serving as showrunner and writer. Big Swing Productions, Amblin Television, and Nevermind Pictures are behind the series. The casting continues to build momentum ahead of the premiere, though no release date has been announced yet. What’s clear: this isn’t just a retelling of a tragedy. It’s a deep dive into institutional failure, personal courage, and the quiet revolution of women in space. Told through a lens that’s as much about accountability as it is about legacy.