Bryan Cranston has revealed that he had no idea whether Walter White was telling the truth during a key dramatic moment from Breaking Bad.
In the fourth season, Walt plots to turn Jesse (Aaron Paul) against drug crime lord Gustavo Fring (Giancarlo Esposito). To do so, he poisons Brock, the child of a woman – Andrea – that Jesse is dating, framing the incident as the work of the Los Pollos Hermanos manager.