UFC 44: Undisputed was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center on the Las Vegas Strip in Paradise, Nevada. Headlining the card was a light heavyweight championship unification bout between Tito Ortiz and Randy Couture.
| Actor | Role |
|---|---|
 Randy CoutureSelf | Self |
 Tito OrtizSelf | Self |
 Tim SylviaSelf | Self |
 Gan McGeeSelf | Self |
 Andrei ArlovskiSelf | Self |
 Vladimir MatyushenkoSelf | Self |
 Jorge RiveraSelf | Self |
 David LoiseauSelf | Self |
 Rich FranklinSelf | Self |
 Edwin DeWeesSelf | Self |
 Karo ParisyanSelf | Self |
| DDave StrasserSelf | Self |
 Josh ThomsonSelf | Self |
| GGerald StrebendtSelf | Self |
 Nick DiazSelf | Self |
| JJeremy JacksonSelf | Self |
 Hermes FrancaSelf | Self |
 Caol UnoSelf | Self |