UFC 221: Romero vs. Rockhold is a mixed martial arts event produced by the Ultimate Fighting Championship held on February 10, 2018 at Perth Arena in Perth, Australia.
| Actor | Role |
|---|---|
 Yoel RomeroSelf | Self |
 Luke RockholdSelf | Self |
 Curtis BlaydesSelf | Self |
 Mark HuntSelf | Self |
 Tai TuivasaSelf | Self |
| CCyril AskerSelf | Self |
 Jake MatthewsSelf | Self |
 Li JingliangSelf | Self |
 Tyson PedroSelf | Self |
| SSaparbek SafarovSelf | Self |
 Dong Hyun MaSelf | Self |
 Damien BrownSelf | Self |
 Israel AdesanyaSelf | Self |
 Rob WilkinsonSelf | Self |
 Alexander VolkanovskiSelf | Self |
 Jeremy KennedySelf | Self |
 Jussier FormigaSelf | Self |
| BBen NguyenSelf | Self |
 Ross PearsonSelf | Self |
 Mizuto HirotaSelf | Self |
 José Alberto QuiñónezSelf | Self |
 Teruto IshiharaSelf | Self |
 Luke JumeauSelf | Self |
| DDaichi AbeSelf | Self |