Top of the World (1997) on Netflix

An ex-cop (Weller) who has just been released from prison where he was sent for absconding with $4000 from the police pension fund gets taken by his wife (Carrere) to Vegas for a divorce. Waiting for her outside a casino where his parole forbids him to enter, he hands a casino hostess money to stick in the slots where he hits a $450,000 jackpot. Meanwhile a gang plots the robbery of the casino which puts the ex-cop in the center. In trying to clear his name, he discovers that the casino owner (Hopper) and his assistant (Pantoliano) actually have plotted the theft.