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Dexter - Season 6 - Casting News - Colin Hanks joins cast

Sources confirm to TVLine exclusively that the Good Guys star Mad Men alum is joining the cast of Dexter for a major Season 6 arc.

Like with most of the Showtime’s drama’s past guest stars (e.g. John Lithgow, Jimmy Smits), the specifics of Hanks’ role are being kept under insanely tight wraps

Source: TV Line