|Affiliation:||Army of the Southern Cross|
|Voice Actor:||Kerrigan Mahan|
|Voice Actor (French):||William Coryn|
|Voice Actor (Spanish):|| Jesús Barrero|
Moisés Palacios (ep. 50)
Yamil Atala (ep. 60)
|Voice Actor (Chinese):||Li Danqing （李丹青）|
Formerly a First Lieutenant, Sean Phillips was demoted to the rank of Private Second Class because of his wolfish advances to a female superior officer. He is with the 15th Alpha Tactical Armored Corps (ATAC) squadron and expert pilot of the Spartas veritech tank.