UFC 34: High Voltage 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 November 2, 2001. The card was headlined by two Championship Bouts, Randy Couture faced Pedro Rizzo for the Heavyweight Title, and Matt Hughes faced Carlos Newton for the Welterweight Title.
| Actor | Role |
|---|---|
 Randy CoutureSelf | Self |
 Pedro RizzoSelf | Self |
 Matt HughesSelf | Self |
 Carlos NewtonSelf | Self |
 Ricco RodriguezSelf | Self |
 Pete WilliamsSelf | Self |
 B.J. PennSelf | Self |
 Caol UnoSelf | Self |
 Josh BarnettSelf | Self |
| BBobby HoffmanSelf | Self |
 Evan TannerSelf | Self |
 Homer MooreSelf | Self |
 Matt LindlandSelf | Self |
 Phil BaroniSelf | Self |
 Frank MirSelf | Self |
 Roberto TravenSelf | Self |