They were on "Roseanne" together. Johnny Galecki played David, and Sara Gilbert played Darlene.
The character of Leonard Hofstadter is played by Johnny Galecki.
Johnny Galecki
Johnny Galecki who now plays Leonard Hofstadter in the smash hit The Big Bang Theory.
If it is, nobody is admitting to it.
Kaley Cucoco secretly dated co-star Johnny Galecki for two years but, in an example of life imitating art, the two broke up.
The character of Leonard Hofstadter is played by Johnny Galecki.
Johnny Galecki
Johnny Galecki
Johnny Galecki who now plays Leonard Hofstadter in the smash hit The Big Bang Theory.
If it is, nobody is admitting to it.
Yes, both Johnny Galecki (Leonard) and Simon Helberg (Howard) have children in real life. Johnny Galecki has a son, while Simon Helberg has two children with his wife Jocelyn Towne.
Kaley's 2-year boyfriend was her Big Bang Theory co-star, Johnny Galecki.
Johnny Galecki (from Big Bang Theory, Roseanne, Vacation, etc)
In the "Roseanne" episode titled "Out of the Past," which aired in 1996, the character Jerry Garcia Connor was played by actor Johnny Galecki. This episode is part of the show's eighth season and features the family reflecting on their past. Johnny Galecki is also well-known for his later role as Leonard Hofstadter on "The Big Bang Theory."
According to [http://chicago.timeout.com/articles/tv/74345/interview-with-johnny-galecki-of-the-big-bang-theory|this interview], he likes women. To quote: TOC: I read you were out as hetero. So you're not out as anything? Johnny Galecki: No, I happen to love women, so I guess that would make me hetero -I don't know. I don't mean to be so enigmatic, but I'm trying to keep from offending people. Note: He does not want to label himself as he has a great fan base from both the gay and hetero communities. He is actively seeking a wife (female) as he wants a family and is at an age where he needs to get going on this.
In "The Big Bang Theory," the character Leonard Hofstadter is portrayed by actor Johnny Galecki. Leonard is a physicist with a warm personality, often serving as the voice of reason among his group of friends. His character is known for his on-again, off-again relationship with Penny, which is a central theme throughout the series. Galecki's performance contributed significantly to the show's popularity and success.
Kaley Cucoco secretly dated co-star Johnny Galecki for two years but, in an example of life imitating art, the two broke up.