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): Annie Dillard • Captain Tom Moore • Eve Arden • Franz Lehár • Jeff Brown (ice hockey, born 1966) • Jung Yoon-seok • Kerry Healey • Kirsten Dunst • Levi Celerio • Luis Scola • Reverend Gary Davis • Stephen Harper • Turbo B • Wayne Kramer (guitarist) • Władysław Witwicki

Born in the same month (April 1975): April Telek • Avner Dorman • Bobby Shaw • David Harbour • Jacque Jones • Joey Jordison • John Cooper (musician) • Kevin Weekes • Michael Walchhofer • Miranda Lee Richards • Ronde Barber • Sarah Baldock • Zach Braff