John Galecki – Leornard Hofstadter
John Galecki played two roles – one as Leonard Hofstadter, the highly-nerdy physicist in The Big Bang Theory. He also played David Healy, an awkward boyfriend during his “Roseanne” days. This actor is over 40-years-old. In 2018, Galecki will pull back his role as Healy for an eight-episode mini-series. You will surely love this cellist character on this show, and if you are the impatient type, you can always run back to The Big Bang Theory…after all, there is so much to keep you excited there.
John Galecki – Leornard Hofstadter
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