Michael Thorn was a human male serving in Starfleet Intelligence during the late 23rd century. He was born in Canada on Terra. He entered Starfleet and to the rank of commander in Starfleet Intelligence, as an Intelligence officer. For several years he was a key agent in the Orion Colonies, so following suspicious Klingon activity on the Orion colony world of Daros IV, Thorn was reassigned to the Daros Investigation. With a one-man ship and the cover story of a lone fortune hunter, he journeyed to Daros IV.