WEC 21: Tapout was a mixed martial arts event held on June 15, 2006. WEC 21's main event was a fight between Rob McCullough and Ryan Healy.
| Actor | Role |
|---|---|
 Rob McCulloughSelf | Self |
| RRyan HealySelf | Self |
 Nate DiazSelf | Self |
| JJoe HurleySelf | Self |
 Hermes FrancaSelf | Self |
| BBrandon OlsenSelf | Self |
| JJustin EilersSelf | Self |
| JJimmy AmbrizSelf | Self |
 Brian StannSelf | Self |
| MMiguel CosioSelf | Self |
| RRich CrunkiltonSelf | Self |
| AAdam LynnSelf | Self |
| MMike PenalberSelf | Self |
| JJoe MartinSelf | Self |
| KKyle YorkSelf | Self |
| JJason GlazaSelf | Self |