David Hasselhoff , “Piranha” man. (Ian Gavan/Getty Images)

Let’s say that you weren’t already sold on a “Piranha 3D” sequel. The clever, randy use of the 3DD in the title didn’t grab you, nor did the roster of celebrities already named as part of the cast: Ving Rhames, Gary Busey, Christopher Lloyd and Paul Scheer, among others.

But the addition of Hasselhoff — that sealed the deal, didn’t it? Come Nov. 23, when the movie opens nationwide, now you’re totally there.