Clayton Davis Toni Collette has asserted herself as one of the most versatile actresses of her generation, proven once again by her phenomenal work in the HBO Max limited series “The Staircase.”Variety has confirmed that Collette has been submitted for an Emmy for outstanding lead actress in a limited series for her turn as Kathleen Peterson, the dead wife (accidental or murdered?) of Michael, played by Emmy nominee and Oscar winner Colin Firth.Read more: Variety’s Awards Circuit Emmys Predictions HubThe miniseries, based on the documentary of the same name that steamed on Netflix in 2018, tells the story of Michael Peterson, a crime novelist, who is accused of bludgeoning his wife Kathleen to death after she is found at the bottom of a staircase in their home. As the clues and investigation unravel, a French documentary team begins filming the events, creating unexpected consequences.