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 Beetham • Charles Berling • Dave Meggett • Drew Seeley • Emily Carey • François Louis, Prince of Conti • Hugh Hood • Joseph Dart • Kirsten Dunst • Mats Odell • Stavros Dimas

Born in the same month (April 1975): Aries Spears • Dejan Savić • Francesco Flachi • Garrison Starr • Heidi Alexander • Juicy J • Kevin Weekes • Marcos Vales • Nate Huffman • Randy Livingston • Robbie Fowler • Serhiy Klymentiev • Terence Lewis (choreographer)