UFC on Versus 4: Kongo vs. Barry was a mixed martial arts event held by the Ultimate Fighting Championship on June 26, 2011, at Consol Energy Center in Pittsburgh, Pennsylvania.
| Actor | Role |
|---|---|
 Cheick KongoSelf | Self |
 Pat BarrySelf | Self |
 Charlie BrennemanSelf | Self |
| RRick StorySelf | Self |
 Matt BrownSelf | Self |
 John HowardSelf | Self |
 Matt MitrioneSelf | Self |
| CChristian MorecraftSelf | Self |
 Tyson GriffinSelf | Self |
 Manvel GamburyanSelf | Self |
 Javier VazquezSelf | Self |
 Joe StevensonSelf | Self |
 Joe LauzonSelf | Self |
| CCurt WarburtonSelf | Self |
 Rich AttonitoSelf | Self |
 Daniel RobertsSelf | Self |
 Charles OliveiraSelf | Self |
 Nik LentzSelf | Self |
 Ricardo LamasSelf | Self |
 Matt GriceSelf | Self |
 Michael JohnsonSelf | Self |
| EEdward FaalolotoSelf | Self |