Kevin Costner was on a morphine drip while filming ‘Hidden Figures’. The 69-year-old actor insisted he always tries to remain professional on set but revealed he was forced to go on morphine due to the pain he suffered from kidney stones during filming of the 2016 movie. He told PEOPLE: “I’ve never worked drunk on a set. I’ve never worked high on a set, but I was on morphine the last two weeks that I worked on [‘Hidden Figures’]. “I worked 10 days under an IV drip. I don’t even know how. About three days of it I was normal and then something happened to me. “I never missed a day of work but I …