Persons Unknown

As one of the seven strangers trapped in a teched-out ghost town, Jason Wiles is as clueless as we are about his Persons Unknown (Monday, 8/7c, NBC) character, Joe Tucker. "He's an enigma...we're starting to learn a little about him, but this guy is a mess." He's also a far cry from the undeniably likable Wiles' past roles, which have ranged from druggies to do-gooders.

Beverly Hills High "I can't erase it!" he says of his notorious stint as Colin Robbins, the coked-out artist who got 90210's Kelly Taylor (Jennie Garth) hooked on the white stuff. "I had a blast," recalls the Kansas transplant, adding that "the show was such a phenomenon...as soon as my first episode aired, it was like, 'Boom! I am not in Kansas anymore.'"

The Third Man Trading blow for bullets, Wiles walked the beat for six seasons on NBC's cop drama Third Watch as the damaged but devoted Officer Maurice "Bosco" Boscorelli. "That was the best job ever," confesses the actor, who spent hours on ride-alongs with real-life NYPD Blue. "I loved it! How many people get to play cops-and-robbers in the streets of New York City?"

Fail to the Chief "They brought me in with a plan for him to be this great character, but they just had too many people on the show," he says of ABC's short-lived Commander in Chief, where he played deputy press secretary Alex Williams, opposite Geena Davis.  "I wish it had lasted longer."

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