Dennis Quaid is the younger brother of Randy Quaid, and got into acting after his brother was nominated for an Academy Award for his role in The Last Detail.
Dennis Quaid got his acting career off to a good start in the 80's, especially with his roles in The Right Stuff and Great Balls of Fire!
Starting with Wyatt Earp in 1994, Quaid had a revitalized career that has been strong ever since. He's had big roles in Dragonheart, The Parent Trap, Any Given Sunday, Frequency, The Rookie, The Day After Tomorrow, In Good Company, and Legion.