He is the owner of an amusement park where Willy is kept. He has a million-dollar life insurance plan on Willy, so he intends to kill the orca. He is assisted by a man named Wade and a group of goons.
He is portrayed by Michael Ironside, who also portrayed Richter in Total Recall.
Dial's defeat is when Jesse leads Willy to an area where he'd be free if he'd just jump.