The sixteenth player is…
.
.
.
Sandy B. (iSandeh)
[MNRS5] Double Cross - 10th

The seventeenth player is…
.
.
.
Scott D. (gbpackxlvchamps)
[New to series]

The eighteenth and final player is…
.
.
.
Stoner D. (Gaiaphagee)
[MNS1] Uruguay - 9th
[MNS7] The Carribean: All-Stars - 15th
[MNS20] Madagascar: Heroes vs. Villains - 25th
[MNS25] Ghost Island - 17th
[MNRS4] Survivor: Darkness Rising - 13th

The full cast of MNRS 6: Survivor - Trust No Bitch

Amber B. (hobo232)
Austin T. (ItsAustin)
Bren Q. (Otaq)
Cedric D. (teamjacz)
Daniel A. (Natepresnell)
Jen J. (Jengaged)
Joey W. (joey65409)
Julian G. (ShaneDawson12345)
Kelly R. (Kelly0412)
LeQuisha Q. (Lusciouslips5)
Matt B. (mbarnish1)
Mick J. (Mickj)
Nathan G. (Matedog1209)
Owen R. (PenguinOwen126)
Raul M. (MrBird)
Sandy B. (iSandeh)
Scott D. (gbpackxlvchamps)
Stoner D. (Gaiaphagee)

Here are the tribes

Durban (Salmon Buffs):
Austin T. (ItsAustin)
Cedric D. (teamjacz)
Daniel A. (Natepresnell)
Joey W. (joey65409)
Nathan G. (Matedog1209)
Sandy B. (iSandeh)

Benoni (Lime Buffs):
Amber B. (hobo232)
Julian G. (ShaneDawson12345)
Owen R. (PenguinOwen126)
Raul M. (MrBird)
Scott D. (gbpackxlvchamps)
Stoner D. (Gaiaphagee)

Soweto (Lavender Buffs):
Bren Q. (Otaq)
Jen J. (Jengaged)
Kelly R. (Kelly0412)
LeQuisha Q. (Lusciouslips5)
Matt B. (mbarnish1)
Mick J. (Mickj)