Dennis William Quaid (born April 9, 1954) is an American actor. He became known during the 1980s after appearing in several successful films, including as Mike Brody in Jaws 3-D (1983), Alex Gardner in Dreamscape (1984), Remy McSwain in The Big Easy (1987), Tuck Pendleton in Innerspace (1987), Jefferson "Jeff" Blue in Undercover Blues (1993), Bowen in Dragonheart (1996), Joe Doe/William in Gang R...