Dennis Aaberg is the man in this film.
If it's who I think it is, I loved Dennis in this film, eventhough he had a handul of scenes, which amounted to a few lines of dialogue, but he's the man.
I believe he's the guy who kept calling everybody "old Man."
Also, when Katt come back from Vietnam and is surfing Aaberg rides up to them and says, "I'm the candy man. Anything you want. Ups. Downs. Sideways."