'The Big Bang Theory' star Johnny Galecki suffers MEAWWJonathan heart Galecki height is nearly 5 feet 5 inches. He remains at a medium stature. While some might think of him not to be remarkably high, his talent knows no bounds. Irrespective of Johnny's vertical dimension, he is admired in the industry for his acting talent. Johnny has demonstrated time and again that one's stature doesn't dictate success when it comes to reaching greatness.
