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): Ashley Alexandra Dupré • Charles Sanderson, Baron Sanderson of Bowden • Dianna Agron • Don McKenney • Eugen Bleuler • Jang Wooyoung • Jeff Brown (ice hockey, born 1966) • Jill Clayburgh • Luigi Russolo • Luis Scola • Mary Haviland Stilwell Kuesel • Meredith L. Patterson • Michael J. Smith • Phil Garner • Reverend Gary Davis • Theodore Schultz • Tom Køhlert • Zlatko Topčić

Born in the same month (April 1975): Avner Dorman • David Gordon Green • Garrison Starr • John Cooper (musician) • John Hartson • Karin Dreijer • Lou Bega • Luciano Almeida • Michael Olowokandi • Randy Livingston • Ronde Barber • Ronnie Belliard • Simon Woolford • Thobias Fredriksson • Tiki Barber • Travis Roy • Zach Braff