"The Purge 3" has already been making heavy progress in the hit franchise that is becoming quite a pop-culture phenomenon.

According to Deadline, there have been several additions to the cast and they will be starring and supporting roles for a storyline that started last year with the previous film.

The cast is swelling now with the return of Frank Grillo as the anti-purge enforcer known as Sergeant. Those who have signed on to support his storyline are Betty Gabriel, Edwin Hodge, Kyle Secor, JJ Soria, Mykelti Williamson and Elizabeth Mitchell.

There has been no word yet if Carmen Ejogo, Kiele Sanchez or Zoe Soul from "The Purge: Anarchy" will be returning to reprise their roles from the previous installment of the franchise.

The first film featured Ethan Hawke as he tried to defend his family on lockdown during the annual 12-hour event known as the Purge. During these hours, all laws have been vacated and every criminal act is legal. This includes murder, rape, robbery and anything else the criminal element wants to do so they can "Purge" their desires.

In the film, the running theory is that the annual Purge keeps the crime rate down and society is more stable. The only people immune from the Purge are government officials simply known as the New Founding Fathers.

The second film took place a year later and featured Grillo, Ejogo, Sanchez and Soul surviving the night on the outside. The event culminates with an official of the government entity hunting the group down and attempting to kill them, revealing that the annual Purge is dying out and they are trying to reinvigorate it.

The third film will bring back writer-director James DeMonaco for his third attempt at the highly successful franchise, which has boasted massive returns on their investment. The first film famously made $89 million worldwide off a $3 million budget, according to Box Office Mojo. The second film made $110 million off a $9 million budget.

This third installment will be released on July 1 next year.