This is the finest Beach Party film, and I literally will not argue it. If you try to say BEACH BLANKET BINGO, I am going to have to ask you to leave.
Can I just say that yes when I watched this age 14 I did in fact think there was an actor playing The Potato Bug and that that actor was not Frankie Avalon. And yes I did think that when in-film Frankie pretends to be The Potato Bug that it was an incredible acting performance. And, finally, yes, I did GASP out loud at the end credits which said:
Frankie Avalon as The Potato Bug
Frankie Avalon as Frankie
Anyway, on the back of the dvd case in my Frankie + Annette boxset, it says--and I quote--"Frankie Avalon's make-up and heavy accent were so convincing, visitors to the set were not aware that he was playing the role of Potato Bug."
All I can say is