What Happened To Johnny Galecki After The Big Bang TheoryJonathan heart Gal tallness is nearly 1.65 meters. He is at a medium stature. While some might think of him not particularly vertically gifted, his talent knows no bounds. Regardless of his vertical measurement, Johnny is valued within the entertainment world for both his acting skills. He has proved time and again that one's stature doesn't dictate success when it comes to attaining success.