Johnny Galecki Quotes
In a series, you really need to stay open-minded. It's not like a play or a film, where you can create and fully commit to your character's back-story.
Radloff, Jessica. The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series. Grand Central Publishing, 2022.
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 (1992–1997; 2018) and The Conners (2018–present). Galecki also appeared in the films National Lampoon's Christmas Vacation (1989), Prancer (1989), Suicide Kings (1997), I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011), and Rings (2017).