At the beginning of the third season of “Succession,” Kendall Roy, played by Emmy winner Jeremy Strong, was on a high, and for once, the reason was virtuous, not chemical. His attempt to overthrow his father, Logan (Brian Cox), from his perch atop Waystar Royco, the family business that happens to be a multinational conglomerate, appeared to be going well. But for Kendall, peaks quickly become valleys. As Strong puts it during a conversation with “Succession” executive producer Adam McKay moderated by Variety, during those early episodes, “I thought a lot about Uncle Albert from ‘Mary Poppins’ — the laughing, floating guy, trying to keep up this positivity that is really a desperate dance over an abyss.”
By “Too Much Birthday” — the season’s seventh episode, set at Kendall’s 40th…
