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So here's my approach to this: You want an actor that's familiar with television acting AND is currently looking for work. For that, I say pick up someone who has a show that's being cancelled/ending in 2012/2013.
With Last Resort ending, you have Scott Speedman.
Of course, Brandon Routh is just coming out of Partners...
But I think "freakopedia" nailed it with Ryan Hurst. Just coming off of SOA, he not only has the look your going for, but he's has the "street cred".