The arrests came this week at Mohegan Sun at Pocono Downs casino near Wilkes-Barre.
Both are accused of "capping" bets within hours of each other; that's trying to add chips to wagers after being dealt a winning hand.
State police say 56-year-old Scranton resident Tjandra M. Wijono was arrested Tuesday and charged with four counts of fraudulent scheme.
Thirty-two-year-old Scranton resident Le Rain was arrested Wednesday and charged with theft by deception.
It wasn't immediately clear if either man had obtained an attorney.