Ghostbusters and SNL alumni Kate McKinnon has joined the impressive cast of Jay Roach’s untitled film on the firing of Fox broadcaster Roger Ailes.

McKinnon joins a cast of John Lithgow as Ailes and the fierce ladies that are key to Ailes’s downfall are to be played by Charlize Theron who takes on the role of Megyn Kelly, Nicole Kidman will play Gretchen Carlson, Margot Robbie will play a Fox News associate producer and Allison Janney who takes on the role of the trailblazing feminist lawyer Susan Estrich. McKinnon will play a fictional producer in the movie.

The film will focus on the firing of former Fox News chief Roger Ailes and the toxic male culture at the network.

Also in the news – Mel Gibson to take the reins on remake of classic western The Wild Bunch

Other characters thought to appear in the film are Bill Shine, Judy Roginsky, Jeanine Pirro, Juliette Huddy, Greta Van Sustenen and James and Lachlan Murdoch, but as yet have not been cast.

Annapurna is producing with Theron, Beth Kono, and AJ Dix of Denver and Delilah. While Trumbo’s Jay Roach takes the helm. Roach, Charles Randolph and Lighthouse Management and Media’s Margaret Riley are also producing. Roach’s producing partner Michelle Graham will executive produce.

McKinnon, who starred in the all-female remake of Ghostbusters, was last seen opposite Mila Kunis in The Spy Who Dumped Me. The SNL comedian is also preparing for her role in the untitled Danny Boyle and Richard Curtis rom-com musical. She is also rumoured to be playing the role of Grunhilda in the young adult novel adaptation of The Lunch Witch.