The Challenger Disaster

A brilliant, outspoken physicist who joins the Presidential Commission. He confronts NASA's culture of silence and uses practical demonstrations to reveal the truth about the O-rings. His scientific integrity drives him to expose the flawed assumptions, even as his health deteriorates.

Feynman's wife who encourages him to join the inquiry and supports his pursuit of the truth. She serves as his emotional anchor amid the political and professional storm surrounding the commission.

An influential military figure within NASA who has a secret source and attempts to leak information. He is loyal to uncovering the truth but operates within a dangerous web of institutional caution and risk.

Chairman of the Presidential Commission who seeks to protect NASA's interests. He controls access to information and shapes the scope of the inquiry, creating tension with those pushing for full transparency.

A NASA official representing bureaucratic interests who embodies institutional caution. He becomes a point of contact for the commission as it navigates internal pressures and competing narratives.

A scientist who provides medical or analytical perspective on the consequences of the disaster and the importance of data integrity. He represents the scientific voice within the inquiry.

A hands-on NASA engineer who delves into the shuttle's technology and helps uncover how technical failures could have occurred. He bridges engineering detail with the investigation’s questions of accountability.

A structural solid rocket booster engineer who possesses crucial technical insight into potential failure modes. His perspective adds depth to the analysis of engineering risks.

Leader of the recovery team who represents the response side of the disaster. He is involved in the aftermath and the ongoing effort to understand and address the failure.