UFC 49: Unfinished Business was a mixed martial arts event held by the Ultimate Fighting Championship at the MGM Grand Arena in Las Vegas, Nevada. It featured the anticipated rubber match between Light Heavyweight Champion Vitor Belfort and Randy Couture, following a disappointing doctor's stoppage in their last encounter at UFC 46.
| Actor | Role |
|---|---|
 Randy CoutureSelf | Self |
 Vitor BelfortSelf | Self |
 Joe RiggsSelf | Self |
 Joe DoerksenSelf | Self |
 Chuck LiddellSelf | Self |
 Vernon WhiteSelf | Self |
| DDavid TerrellSelf | Self |
 Matt LindlandSelf | Self |
| JJustin EilersSelf | Self |
 Mike KyleSelf | Self |
 Chris LytleSelf | Self |
| RRonald JhunSelf | Self |
 Karo ParisyanSelf | Self |
 Nick DiazSelf | Self |
| YYves EdwardsSelf | Self |
 Josh ThomsonSelf | Self |