A list of Thallonians.
“Jang Si Naran was a Thallonian male and a Starfleet Ensign serving aboard Deep Space 9 in the...Jang Si Naran
“In the mirror universe, Si Cwan was the Prince of the Thallonian Empire and older brother of...Si Cwan (mirror)
“Cwansi, born 2380 on New Thallon, was the son of Thallonian prince Si Cwan and human Starfleet...Cwansi
“Topez Anat was a young Thallonian whose family had a long history of service to Si Cwan's...Topez Anat