UFC Fight Night 15: Diaz vs. Neer was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on September 17, 2008, at the Omaha Civic Auditorium in Omaha, Nebraska.
| Actor | Role |
|---|---|
 Nate DiazSelf | Self |
 Josh NeerSelf | Self |
 Clay GuidaSelf | Self |
 Mac DanzigSelf | Self |
 Alan BelcherSelf | Self |
 Ed HermanSelf | Self |
 Eric SchaferSelf | Self |
 Houston AlexanderSelf | Self |
| AAlessio SakaraSelf | Self |
| JJoe VedepoSelf | Self |
 Wilson GouveiaSelf | Self |
 Ryan JensenSelf | Self |
 Joe LauzonSelf | Self |
| KKyle BradleySelf | Self |
 Jason BrilzSelf | Self |
| BBrad MorrisSelf | Self |
 Mike MassenzioSelf | Self |
| DDrew McFedriesSelf | Self |
 Dan MillerSelf | Self |
 Rob KimmonsSelf | Self |