n a newly unearthed interview, Robert Downey Jr's father has admitted “it, a new Netflix documentary by the star, 57, about his dysfunctional upbringing. “I think we would be remiss not to discuss its effect on me,” the actor, who went on to struggle with drug addiction and legal troubles, says in the film. Robert says his dad gave him his first joint and told him to smoke it after he spotted him sipping a glass of wine at a poker night.