Stargate SG-1 Stills

Sci fi fans will probably recognize the 26-year-old from his guest appearances on TV shows including <a href="/baselineshow/4819411">"Smallville,"</a> <a href="/baselineshow/4787246">"Supernatural,"</a>  <a href="/baselineshow/4676838">"Stargate SG-1,"</a> and <a href="/baselineshow/4697952">"Flash Gordon"</a> as well as his recurring role on <a href="/baselineshow/4748955">"Kyle XY."</a> In "Glee," Cory Monteith portrays Finn Hudson, the popular and good-looking quarterback who gets recruited to join the Glee Club while trying to protect his reputation with his holier-than-thou cheerleader girlfriend, Quinn.

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