Johnny Galecki's method for acting drunk on The Big Bang Theory may've seemed absolutely ridiculous to his co-star Kaley ...

Johnny Galecki was already performing on stage and in front of cameras as a child. However, he became famous primarily for his role as Leonard Hofstadter in the sitcom 'The Big Bang Theory'.

Johnny Galecki rose to fame with roles in Roseanne, The Big Bang Theory and more — but he has since stepped back from acting. After appearing in theater productions as a child, Galecki made his ...

Johnny Galecki's decision not to return to The Conners ultimately caused his character, David, to be depicted as a "bad father" to his kids. Executive producers Bruce Helford, Dave Caplan and ...