How tall is Johnny Galecki?
The U.S. star is John Mark Galecki. In the CBS sitcom The Big Bang Theory and David Healy in the ABC sitcom Roseanne, he played Leonard Hofstadter. Galecki also appeared in the National Lampoon's Christmas Vacation, Prancer's, Suicide Kings, the Bookies, In Time and Rings, I Know What You Did the Last Summer.
5 feet 4 inches
1 m 65 cm
image credits: gstatic.com
