Dennis William Quaid (born April 9, 1954) is an American actor. He became known during the 1980s after appearing in several successful films including The Big Easy.
He appears on the DVD cover of Enemy Mine in "Brian's Got a Brand New Bag".
Quaid follows Tommy Lee Jones in a medical video in "Boys & Squirrels", talking about 'tractor ass.'
Dennis is voiced by Josh Robert Thompson.