UFC Fight Night 75: Barnett vs. Nelson was a mixed martial arts event held on September 27, 2015, at Saitama Super Arena in Saitama, Japan. The event was headlined by a heavyweight bout between former UFC Heavyweight champion Josh Barnett and The Ultimate Fighter 10 heavyweight winner Roy Nelson. Both men had coached opposite each other on the show Road to UFC: Japan.
| Actor | Role |
|---|---|
 Josh BarnettSelf | Self |
 Roy NelsonSelf | Self |
 Uriah HallSelf | Self |
 Gegard MousasiSelf | Self |
 Kyoji HoriguchiSelf | Self |
 Chico CamusSelf | Self |
 Takeya MizugakiSelf | Self |
 George RoopSelf | Self |
 Diego BrandaoSelf | Self |
 Katsunori KikunoSelf | Self |
 Mizuto HirotaSelf | Self |
 Teruto IshiharaSelf | Self |
| KKeita NakamuraSelf | Self |
 Li JingliangSelf | Self |
| NNick HeinSelf | Self |
| YYusuke KasuyaSelf | Self |
 Kajan JohnsonSelf | Self |
 Naoyuki KotaniSelf | Self |
| SShinsho AnzaiSelf | Self |
| RRoger ZapataSelf | Self |