Popsugar Entertainment Bombshell Who Is in the Bombshell Movie Cast? The Full Cast of Bombshell: Nicole Kidman, Margot Robbie, and More 23 October 2019 by Quinn Keaney View On One Page Photo 1 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Nicole Kidman as Gretchen Carlson The Big Little Lies star plays Gretchen Carlson, who was among the first to publicize Roger Ailes's sexual harassment. Previous Next Start Slideshow BombshellMovie CastingMoviesCharlize TheronNicole Kidman