Big Bang Theory The Main Casts’ Age Height TheThingsJonny adore Gale height is about 65 inches. Johnny is at a fair stature. While some might think of him not to be excessively vertically gifted, his prowess is limitless. Irrespective of Johnny's upright measurement, Johnny is respected in the industry for both his acting abilities. He has proved time and again that being tall doesn't define one's accomplishments when it comes to reaching success.