Hawaii Five-0's favorite illicit art dealer is back in town.

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Willie Garson's Gerard Hirsch received a get out of jail free pass from Chin (Daniel Dae Kim) and Kono (Grace Park) back in season 5, and the black market salesman lent his expertise to Five-0 once more in season 6. It appears McGarrett's (Alex O'Loughlin) team may have another art-related case their hands this spring.

Garson traveled back to Hawaii in November, and it appears Gerard will pop up in episode 15.

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Executive producer Peter Lenkov posted a photo of Garson in action on Friday, showing Gerard speaking with Kono. It is currently unknown what his mission is, but if the former White Collar star is in episode 15, he won't be the only returning guest star.

The great @willie.garson is back on #H50 !! A photo posted by plenkov (@plenkov) on Jan 14, 2016 at 11:53am PST

Melanie Griffith will also drop by Oahu to take on the role of Clara Williams, Danno's (Scott Caan) mom. From the looks of it, Clara will be in town looking for a time-share.

While viewers wait for Garson and Griffith to take the screen, Hawaii Five-0 will air "Umia Ka Hanu" and "Hoa 'inea."

Hawaii Five-0 airs Fridays at 9 p.m. ET on CBS. Click the video below to see a preview for the series' next episode.

Tags: Hawaii Five-O television CBS