According to SFGate, Hugh Grant will be joining the cast of HBO’s “The Undoing". The iconic actor is set to star opposite Nicole Kidman in the David E. Kelley project. Grant will play Jonathan Sachs, an acclaimed pediatric oncologist and devoted husband to Grace Sachs played by Kidman. Grant's past undergoes scrutiny when he suddenly disappears, leading to a chain of horrific revelations for his wife. Based on the book “You Should Have Known” by Jean Hanff Korelitz, the six-episode series follows Grace in the wake of a spreading and very public disaster.