Johnny Galecki
Leonard Hofstadter on The Big Bang Theory (2007-2019).
John Mark Galecki, born April 30, 1975, is an American actor. He played Leonard Hofstadter for the whole run of The Big Bang Theory (2007-2019), and David Healy in Roseanne (1992-1997 and 2018) and The Conners (2018-2019). His films include Prancer and National Lampoon's Christmas Vacation (both 1989), Suicide Kings and I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011) and Rings (2017). The Big Bang Theory made him one of the best-paid television actors in the world, at roughly US$900,000 an episode between 2017 and 2019.
Quick Facts
- Birth name
- John Mark Galecki
- Born
- 30 April 1975
- Birthplace
- Bree, Limburg, Belgium
- Occupation
- Actor
- Years active
- 1987–present
- Spouse
- Morgan Galecki (2024)
- Partners
- Alaina Meyer (2018–2020)
- Children
- 2
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