Sitting duck, I'm pretty sure you do have to be 18+ for a credit card. I'm under 18 and I went t the bank to get a debit card, and out of curiosity I asked could I have a credit card (in a voice that sounded like I was asking something, not wanting it) he said no to me...
Jedi Master you may have found a potential link there. Maybe the same guy, as if he was selling to harrybarry then I don't see why he wouldn't be the same person trying to sell to those actors.