HBO’s The Wizard of Lies, directed by Barry Levinson, pops on Saturday, 5.20 — right in the middle of the Cannes Film Festival. Robert De Niro as Bernie Madoff and Michelle Pfeiffer is wife Ruth, who of course knew everything. Based on the same-titled book, it costars Alessandro Nivola and Nathan Darrow as Madoff’s sons, Mark and Andrew plus Lily Rabe, Kristen Connolly and Hank Azaria.