One Championship Winter Warriors took place Friday, December 3, 2021 with 6 fights at Singapore Indoor Stadium in Singapore.
| Actor | Role |
|---|---|
 Regian EerselSelf | Self |
 Islam MurtazaevSelf | Self |
 Stamp FairtexSelf | Self |
 Ritu PhogatSelf | Self |
 Hiroki AkimotoSelf | Self |
| QQiu JianliangSelf | Self |
 Saygid Guseyn ArslanalievSelf | Self |
 Timofey NastyukhinSelf | Self |
 Marcus AlmeidaSelf | Self |
 Kang Ji WonSelf | Self |
 Yuya WakamatsuSelf | Self |
| HHu YongSelf | Self |