Laura Dern and Jonathan Bailey Mark Seliger/Getty John Lee Hancock is gearing up for the shoot of courtroom drama Monsanto starring with Jonathan Bailey and Laura Dern in Germany. The drama revisiting the real-life legal battle against chemical giant Monsanto will star Bailey as attorney Brent Wisner who led a lawsuit against the US company Monsanto alleging that its Roundup herbicide product caused cancer. He replaces Glen Powell who was previously announced for the role. Dern plays Monsanto's chief toxicologist, who testifies during the trial that Roundup is safe.