The Big Bang Theory was one of CBS's most popular sitcoms on television. For 12 seasons, fans got to know Sheldon Cooper up close, played by Jim Parsons. However, the character could have been ...

Johnny Galecki is an American actor. He rose to fame as David Healy on ABC's Roseanne (1992-1997). Galecki reprised the role on the Roseanne revival (2018) and its spinoff The Conners (2018-2019).

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American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...

Alaina Meyer and Johnny Galecki (2019) Joe Scarnici / Contributor In 2018, it was confirmed that the 43-year-old actor was dating 21-year-old model Alaina Meyer.

Her ex-partner, Johnny Galecki, played Leonard on the CBS show, one of the main stars and fictional experimental physicist. The stars began dating whilst on the show from 2008-2010, their on-screen ...

Originally, the show focused on five characters in Pasadena, California: Sheldon Cooper (Jim Parsons) and Leonard Hofstadter (Johnny Galecki), both Caltech physicists who share an apartment; Penny ...