Johnny Galecki

John Mark Galecki (born April 30, 1975) is an American actor. The accolades he has received include a Satellite Award, alongside nominations for a Primetime Emmy Award, Golden Globe Award, and six Screen Actors Guild Awards.

He played Leonard Hofstadter in the CBS sitcom ''The Big Bang Theory'' (2007–2019), and David Healy in the ABC sitcoms ''Roseanne'' (1992–1997; 2018) 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).

Galecki was one of the highest paid television actors in the world, with his role in ''The Big Bang Theory'' earning him approximately US$900,000 per episode between 2017 and 2019. In 2018, he was estimated to be the world's second highest-paid male TV actor by ''Forbes'' (behind only his ''The Big Bang Theory'' co-star Jim Parsons), earning $25 million. Provided by Wikipedia