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 • Alipate Carlile • Andy Allen (chef) • Bill Plympton • Charles Sanderson, Baron Sanderson of Bowden • Erni Krusten • Eugen Bleuler • Eve Arden • Ferdinand von Hochstetter • Harold Breen • Humberto Mauro • Jonny Brownlee • Phil Garner • Simon Kuznets • Troy Williamson

Born in the same month (April 1975): Aries Spears • David Gordon Green • Joey Jordison • Killer Mike • Michael Olowokandi • Randy Livingston • Sarah Teichmann • Shawn Bates • Terence Lewis (choreographer)