Johnny Galecki played a bigger role on the “Roseanne ... Gilbert then said that she thought of the name Mark, because David’s brother, played by Glenn Quinn for the sitcom, passed away ...

Has “The Conners” said goodbye to Johnny Galecki’s David for good? It’s quite possible. David (Galecki) was revealed as an absentee dad to Harris (Emma Kenney) and her brother Mark (Ames ...

Sara Gilbert and Johnny Galecki are on the small screen together ... On the original show, David's brother, Mark, was played by Glenn Quinn. Because Quinn passed away in 2002, his character ...

Evelena joins big brother Orbison, whom Galecki welcomed with his ex Alaina Meyer in November 2019 before news of their split broke the following year. And while the actor has mostly kept his ...

Long before Johnny Galecki and Sara Gilbert reunited as David ... Because [the character] Mark was played by Glenn Quinn. He was his brother on his show who passed away," Gilbert said.