UFC 36: Worlds Collide was a mixed martial arts event held by the Ultimate Fighting Championship at the MGM Grand Arena on the Las Vegas Strip in Paradise, Nevada on March 22, 2002. The main event was a Heavyweight Championship Bout between Josh Barnett and the holder, Randy Couture.
| Actor | Role |
|---|---|
 Josh BarnettSelf | Self |
 Randy CoutureSelf | Self |
 Pedro RizzoSelf | Self |
 Andrei ArlovskiSelf | Self |
 Matt HughesSelf | Self |
 Hayato SakuraiSelf | Self |
 Matt LindlandSelf | Self |
 Pat MiletichSelf | Self |
 Evan TannerSelf | Self |
| EElvis SinosicSelf | Self |
 Frank MirSelf | Self |
 Pete WilliamsSelf | Self |
 Matt SerraSelf | Self |
| KKelly DullantySelf | Self |
 Sean SherkSelf | Self |
| JJutaro NakaoSelf | Self |