Holly Diebler, a craps dealer at Tropicana, is undergoing chemotherapy for throat cancer. “While I’m not sure we will ever know the exact cause of my illness, I can’t help but wonder if it would have happened if the casinos hadn’t forced me to work in second-hand smoke,” said Brady, who works at the Borgata casino. Tammy Brady began her career as an Atlantic City casino dealer at the age of 18. A gambler plays a slot machine while smoking in the Hard Rock casino in Atlantic City N.J.