Is the island big enough for all these recurring stars?
The actor - whose latest small screen experience has been portraying Serena's father on Gossip Girl - will play a former, corrupt homicide detective who. Look for him to lead a group of dirty cops on the CBS drama, setting his sights on Kono in the process and incurring the wrath of his ex-partner, Sizemore's character.
Hawaii Five-0 returns on Monday, September 19.
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