Michiel Huisman is ditching Nashville for Westeros.

The Dutch actor, who played Rayna’s edgy producer-with-bennies in the ABC drama’s first season, is joining Game of Thrones in a recurring role, TVLine has learned.

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Very little is known about Huisman’s character. Scratch that — nothing is known about Huisman’s character. (Speculate away in the comments, why don’t you.)

The gig brings Huisman back into the HBO fold, following his four-year run as drug-addled musician Sonny on Treme (the drama’s final five-episode season launches on Dec. 1).

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Game of Thrones started production on Season 4 last month; the fantasy series will return in 2014.