UFC 58: USA vs Canada was a mixed martial arts event held by the Ultimate Fighting Championship on March 4, 2006.Five of the seven Canadian fighters featured, Icho Larenas, Sam Stout, Mark Hominick, Georges St. Pierre, and David Loiseau, were at the time champions in the Canadian TKO Major League MMA promotion. Each fight featured an American fighter against a Canadian fighter.
| Actor | Role |
|---|---|
 Rich FranklinSelf | Self |
 David LoiseauSelf | Self |
 Mike SwickSelf | Self |
| SSteve VigneaultSelf | Self |
 Georges St-PierreSelf | Self |
 B.J. PennSelf | Self |
 Nate MarquardtSelf | Self |
 Joe DoerksenSelf | Self |
 Mark HominickSelf | Self |
| YYves EdwardsSelf | Self |
 Sam StoutSelf | Self |
 Spencer FisherSelf | Self |
 Jason LambertSelf | Self |
 Rob MacDonaldSelf | Self |
| TTom MurphySelf | Self |
| IIcho LarenasSelf | Self |