Seth Cambriel was a Human male who resided on the resort planet Spira during the Galactic Civil War. A self-made multi-millionaire playboy, Cambriel posed as a genteel gentlemen of leisure, moving within the high society of Spira's elite while also working as a spy for the Alliance to Restore the Republic. Using his access to high-ranking Imperial officials, along with a network of informants who had no idea of his true allegiance, he passed on sensitive information to the Alliance. Cambriel worked alongside Harbold Taft, a fellow spy and infiltrator, as a two-man cell on the planet.