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Sci fi fans will probably recognize the 26-year-old from his guest appearances on TV shows including "Smallville," "Supernatural," "Stargate SG-1," and "Flash Gordon" as well as his recurring role on "Kyle XY." 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.

Kyle XY Stills