Johnny Galecki

John Mark Galecki is an American actor. He played Leonard Hofstadter in the CBS sitcom The Big Bang Theory (2007–2019) for which he received a Primetime Emmy Award nomination, and David Healy in the ABC sitcoms Roseanne and The Conners (2018–2019). Galecki also appeared in the films Prancer (1989), National Lampoon's Christmas Vacation (1989), Suicide Kings (1997), I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011), and Rings (2017).

30 April 1975

Born on the same birth day (30 April): Alice B. Toklas • Arnór Guðjohnsen • Charles Berling • Eugen Bleuler • Jean-Baptiste de La Salle • Louise of Lorraine • Luigi Russolo • Paul Fiddes

Born in the same month (April 1975): April Telek • Bobby Shaw • Chris Carpenter • Garrison Starr • Joyce Giraud • Karin Dreijer • Killer Mike • Marte Mjøs Persen • Michael Olowokandi • Miranda Lee Richards • Pedro Feliz • Rahul Verma • Robbie Fowler • Sarah Teichmann • Serhiy Klymentiev • Terence Lewis (choreographer)