Doctor Marius Tertius Secondus was a Magna Roman Starfleet officer.

In 2364, Secondus was on duty in the sickbay of the USS Centurion when Captain Lucius Sejanus and Counselor Troi walked in. (TNG novel: The Captains' Honor)

ConnectionsEdit

USS Farragut personnel
USS Farragut (NCC-1647)	Akanke • Ayers • K. Bogle • A. Chenowyth • Crane • A. Drake • Galt • Garrovick • Gilhooley • Hasegawa • Hellund • Kelly • Keyes • J.T. Kirk • Konerko • McKone • G. Mitchell • F. Morgan • D. Morwood • Ojibwe • Pavano • Piniella • Poquette • N. Rabin • Smiley • L.H. Styles • Tolan • Vosberg • Yu • unnamed personnel
USS Farragut (NCC-1729)	Bogle • P. Ellis • J. Gustavus • Phillips • R. Lee • D. Rodrieguez after being renamed USS Centurion: G. Aldus • J. Apius • C. Caecus • M. Secondus • L. Sejanus • J. Sicania • M. Volcinius
USS Farragut (NCC-2582)	W. Ross