Netflix has expanded the cast for its upcoming legal drama concerning the landmark Johnson v. Monsanto trial, adding LaKing Stanfield, David Duchovny, Greg Kinnear, Melonie Diaz, Bilal Hasna, and Julia McDermott to a production starring Jonathan Bailey and Laura Dern. Directed by John Lee Hancock, the film chronicles the 2019 litigation where groundskeeper Dewayne “Lee” Johnson successfully sued Monsanto, securing a $289 million jury verdict after proving the company failed to warn users that its Roundup herbicide causes non-Hodgkin lymphoma.
How the Johnson v. Monsanto Case Changed Liability Law
The 2019 verdict against Monsanto established a significant legal precedent for product liability claims. According to court records, the jury determined that Monsanto—now a subsidiary of Bayer—was liable for failing to warn consumers about the carcinogenic risks associated with its glyphosate-based weed killer. This ruling paved the way for thousands of subsequent lawsuits, fundamentally altering how chemical companies approach consumer safety warnings and litigation risk management.
The 2019 trial was the first of its kind to proceed to a jury verdict regarding Roundup and cancer, directly triggering a massive wave of global litigation against Bayer.
Why the Supreme Court’s Current Ruling Matters
The film’s production coincides with a high-stakes legal battle currently before the U.S. Supreme Court regarding federal preemption. Monsanto has argued that because the Environmental Protection Agency (EPA) has deemed Roundup safe and does not require cancer warning labels, the company should be shielded from state-level “failure-to-warn” lawsuits. As reported by legal observers during April oral arguments, a Supreme Court decision is expected this month that could either protect chemical manufacturers from future litigation or uphold the rights of state courts to impose stricter labeling requirements.

Comparing Industry Perspectives on Roundup Litigation
The tension in the upcoming film reflects a broader divide between corporate defense and consumer advocacy. Monsanto, backed by the EPA’s longstanding stance that glyphosate is not a carcinogen, maintains that its products meet all federal safety standards. Conversely, the plaintiffs in the Johnson case and subsequent litigation argue that internal corporate knowledge of health risks was suppressed. This “David vs. Goliath” dynamic, as described by director John Lee Hancock, serves as the narrative engine for the Netflix production.
Production and Creative Team
- Director: John Lee Hancock
- Screenplay: John Lee Hancock, Michael Wisner, Alexandra Duparc, and Ned Benson
- Producers: Moritz Borman, Eric Kopeloff, Philip Schulz-Deyle, Adam McKay, Kevin Messick, and Jon Levin
- Distributor: Netflix (acquired rights at the 2024 Cannes Film Festival)
To follow the real-time legal developments of the Monsanto/Bayer cases, monitor the U.S. Supreme Court’s docket for updates on the “preemption” arguments involving federal labeling standards.
Frequently Asked Questions
Is the new Netflix film based on a true story?
Yes. The film is based on the 2019 trial of Dewayne “Lee” Johnson, a high school groundskeeper who sued Monsanto over claims that Roundup caused his non-Hodgkin lymphoma.
What is the core legal conflict in the Roundup cases?
The conflict centers on whether federal EPA approval of a product’s label preempts state-level lawsuits that claim a company failed to warn consumers about potential cancer risks.
Who is playing the lead roles in the film?
Jonathan Bailey portrays attorney Brent Wisner, while LaKeith Stanfield plays Dewayne “Lee” Johnson, and Laura Dern appears as Monsanto’s chief toxicologist, Dr. Melinda Rogers.
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