"And of course I've got kids of my own now, and they love me being in the Harry Potter films. I'm now part of a phenomenon. You become incredibly cool to your kids, and you get a young fan base. So you became the cool dad at school. You're suddenly hip"

In this quote, Gary Oldman is assessing the effect of his involvement in the Harry Potter movies on his own kids. He keeps in mind that his kids enjoy him remaining in the movies, and that it has made him "exceptionally cool" to them. He also points out that it has actually given him a young fan base, making him the "cool daddy" at school. This quote highlights the favorable effect that his participation in the Harry Potter films has had on his own life, along with the lives of his children. It also talks to the power of the Harry Potter phenomenon, and how it has actually been able to bring delight to many individuals.