Patrick Dempsey's mysterious 'Dexter: Original Sin' character sports a fierce mustache, signaling a dangerous new force to reckon with in the beloved franchise.
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Dempsey's role as Captain Aaron Spencer marks his first major TV appearance since 'Grey's Anatomy', hinting at a thrilling career comeback.
The ominous mustache is a clear departure from Dempsey's signature charming looks, suggesting his character will be a formidable new antagonist for the 'Dexter' universe.