11 Seasons In: The Cast Of ‘The Big Bang Theory’

Published on November 16, 2017
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John Galecki as Leonard Hofstadter

42 year old John Galecki is known for two iconic roles, obviously as the nerdy physicist Leonard Hofstadter from The Big Bang Theory (TBBT), but what about the other? That’s right, we’re talking about his Roseanne days when he was the awkward boyfriend David Healy.

John Galecki As Leonard Hofstadter

John Galecki As Leonard Hofstadter

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The cellist is set to reprise his role as Healy for an eight-episode mini series coming out in 2018. And if you can’t wait for the mini-series, there’s always The Big Bang Theory of course! And as it’s in season 11, you’ve got plenty to watch.