Retaya (portrayed by Carlos LaCamara) was a minor character who appeared in the Deep Space Nine episode "Improbable Cause". A Flaxian assassin who posed as a merchant dealing in fine fabrics and perfumes, his preferred method of assassination was poison, using perfumes in his collection that could be combined to produce lethal mixtures.

Retaya was hired by the Romulan Tal Shiar to assassinate Elim Garak aboard Deep Space 9. However, Garak knew he was coming and destroyed his own shop, casting suspicion on Retaya before he could make his assassination attempt. Retaya was subsequently executed by the Tal Shiar, who rigged his ship to explode, for failing to kill Garak. The Tal Shiar claimed that Retaya was wanted for crimes against the Romulan Star Empire.

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