Since age 3, Johnny Galecki has wanted to act.
Galecki, who will be in town this week for the Las Cruces International Film Festival, is best known for his roles as Darlene’s love interest, David Healy, in “Roseanne,” and as Leonard Hofstadter in the CBS sitcom “The Big Bang Theory.” He grew up in Oak Park, Illinois, and spent much of his childhood in the theaters in and around Chicago.