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): Adam Ryczkowski • Alice B. Toklas • Carl Friedrich Gauss • Corinne Calvet • Dion Dreesens • Jeroen Verhoeven • Jerry Lordan • Karl Meiler • Martten Kaldvee • Mats Odell • Phil Chang • Reverend Gary Davis • Rohit Sharma • Troy Williamson

Born in the same month (April 1975): Chris Carpenter • David Gordon Green • Dejan Savić • Katrin Rutschow-Stomporowski • Kevin Weekes • Marcos Vales • Michael Walchhofer • Ronde Barber • Ronnie Belliard