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CBS/Warner Bros. Entertainment
CHARACTER: Leonard Hofstadter
Prior to starring in The Big Bang Theory, Galecki actually started his career on CBS in the 1987 miniseries Murder Ordained. Big Bang premiered on the same network 20 years later and eventually made Galecki became one of the highest-paid actors on television, reportedly banking over $1 million per episode by series' end.
In November 2020, Galecki and his girlfriend Alaina Meyer—who share son Avery, 2—broke up after more than two years together.