Dennis Quaid's son Jack didn't want help from his famous parents . Jack Quaid didn't want help from his dad, Dennis Quaid. Jack Quaid may have had an advantage in Hollywood thanks to the fact that he got his camera-worthy looks and acting skills from his dad, Dennis Quaid. However, he claims being the son of … Dennis Quaid revealed his son Jack, 28, turned down his old man's help when he needed an agent to start his career in Hollywood. By Lisa Respers France, CNN. Jim Smeal / Ron Galella Collection via Getty Updated 1610 GMT (0010 HKT) October 14, 2020 . And for those youngins who didn't even know that Dennis Quaid and Meg Ryan were once together, here's some news: They were married for 10 years.