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).

Kaley Cuoco and Johnny Galecki’s reunion created a big bang online. The actors appear in an ad for the video game Royal Kingdom together, six years after the finale of their CBS sitcom “The ...

The Big Bang Theory stars Kaley Cuoco and Johnny Galecki, who dated during the early seasons of the show are together again. Before you jump to any conclusions, read on to know what the is reunion ...

Kaley Cuoco and Johnny Galecki are together again — for an ad. The former Big Bang Theory costars, who dated off-screen during the show's early seasons, reunited in an advertisement for the ...