Joseph is a slim man well known for his intense method of acting and as well as his dimples that add to his youthful boyish looks. He stands at a height of about 5 feet 9.25 inches (1.76 m) with a weight of 154 pounds (70 kg).
In detail, he packs a 40-inch chest with 15-inch arms/biceps and a 32-inch waist. His shoe size is estimated to be a 9 (US). To top it all off, he has dark brown hair with same color eyes.
All this is maintained by a well-balanced diet accompanied with several hours of exercise and sports.