Do No Harm

 is the third episode in the HBO Miniseries, The Undoing. The episode will premiere on November 8, 2020.

Synopsis
Grace hears Jonathan's side of the story and finds herself being followed by someone close to Elena.

Plot Summary
TBA

Main

 * Nicole Kidman as Grace Fraser
 * Hugh Grant as Jonathan Fraser
 * Édgar Ramírez as Detective Joe Mendoza
 * Noah Jupe as Henry Fraser
 * Lily Rabe as Sylvia Steineitz
 * Noma Dumezweni as Haley Fitzgerald
 * Sofie Gråbøl as Catherine Stamper
 * Matilda De Angelis as Elena Alves
 * Ismael Cruz Córdova as Fernando Alves
 * Nadine Marshall as Franklin Reinhardt
 * Michael Devine as Detective Paul O’Rourke
 * Donald Sutherland as Franklin Renner

Recurring

 * Fala Chen as Jolene McCall
 * Maria Dizzia as Diane Porter