Max Casella is opening up about his prepubescent years. The now 55-year-old actor shockingly revealed he didn’t hit puberty until the age of 27. During an interview with Page Six, he explained he had pituitary dwarfism – a growth hormone deficiency characterized by unusually short height – according to the media outlet. 'TULSA KING' STAR SYLVESTER STALLONE ON BEING 'LEFT OUT EVERY TIME' FOR A MOB ROLE: 'GANGSTERS HAVE THIS AURA' "I was given testosterone," he said. "I was on growth hormones; I’m still on those things. My body didn’t go through the change by itself." "I have a malfunctioning pituitary gland from birth and basically had to jumpstart my puberty by pumping me full of testosterone and growth hormones to get me to grow because it wasn’t happening. I was 25, and I hadn’t even shaved." SYLVESTER STALLONE FILMS ‘TULSA KING’ PARAMOUNT SERIES IN NEW YORK The "Boardwalk Empire" star got candid about his growt...