Origins

The Fifth Column Alliance was originally a holdover of the original Visitor republican-type government that survived the Leader's coup and attempted to retake control. When this effort failed; the surviving members were forced to go into hiding, and then began recruiting sympathetic officers, soldiers and scientists to their cause of making their society peaceful again. Their numbers grew when the "peaceful missions" the Leader had sent them on to other planets ended in the planet's destruction and the species' extinction (one such infamous case was the Kisszizk species). However, their indiviudual cell leaders remained undercover and ordered their operatives to do the same for fear of being discovered by Visitors loyal to the Leader. This severely limited their movements and operations against the Leader's supporters.

The Rebellion Begins

The Fifth Column finally mobilised when; during the First Invasion of the Earth, one of the Fifth Column's most important leaders; Lieutenant Martin, was driven into action by Resistance leader Mike Donovan. He mobilised his cell into attacking the LA Mothership with a Resistance strike force and helped capture it and disarm the doomsday device. The Fifth Column agents on the ship voluntarily remained on Earth, while some 2000 Fifth Column agents led by Martin's counterpart; Commander Jennifer, on the New York Mothership returned to their homeworld to continue the fight, in secret, for a better future for their individual peoples (by force if necessary).

Downfall

During the early fighting in the Second Invasion one year after Liberation Day, a now-freed Commander Diana forced Martin (who was among the agents who remained on Earth) to give up his antitoxin pill and the names of every Fifth Column agent he knew before being killed. When Diana returned to the Visitor Fleet, most of the Fifth Column members were hunted down and killed. The surviving members went under deeper cover to prevent additional losses; but this severely limited their movements and acts of help for the Resistance.

Revival

Inspector General Philip; Martin's twin brother, became the new leader of the Fleet's Fifth Column network and helped reorganize the surviving Fleet members, meanwhile Jennifer's faction of the Fifth Column continues their fight against the Leader and his ministers (and planning an open rebellion). Their fight continues to this day.

Known Members

(these were Fifth Column members encounter in the series, excluding the books)

• Amon was the high priest of the secret religious Order of Zon on the Visitor Homeworld and religious leader of the Fifth Column. He survived the purging of the order by the new Visitor military and prophesised that a saviour would come to their world and provide salvation (this saviour is Elizabeth Maxwell; the Starchild). He provided spiritual guidance, such as to Kenneth, through a holographic transmitter that defied tracing. Jacob, shortly before his death, told Elizabeth that Amon would eventually find her, and together, would save their peoples.

• Barbara was Martin's second-in-command of their Fifth Column group. She helped Mike Donovan escape the LA Mothership by making it appear he knocked her out and escaped on her own. She also prevented the Visitors from jamming the TV transmission of the Resistance exposing John's true nature. She and the rest of her cell group mounted a joint attack on the LA Mothership and brought a special computer to disarm its Doomsday Device (this failed, but the device was disabled by Elizabeth Maxwell). Barbara and the rest of her group returned to Earth, now contaminated with Red Dust, and went into hiding from the Visitors when they began the Second Invasion and began hunting for exposed Fifth Column agents.

• Glenda

• Howard, or better known as "Howie", was a Doctor in the Visitor Fleet that was assigned to a Visitor Field Hospital in Los Angeles and had sympathies to the Fifth Column, yet kept it secret for fear of being hunted by Diana's spies. Resistance members Mike Donovan and Ham Tyler, desperate for a doctor to save Fifth Column member Willie from laser shot injuries, kidnapped Howard just as he left the hospital and brought him to treat his wounds. After seeing Willie recovering with Elizabeth Maxwell's help, Howard was inspired by her act to join the Fifth Column as an active member and brought the Resistance up-to-date with the movement's recent history. He first act was to help a Resistance team infiltrate the hospital; where weapons were secretly being kept, and helped sabotage the liquid xenon tanks, causing the hospital to explode. He then killed Visitor spy John Langley and helps the Resistance team escape from incoming reinforcements. He stays behind, as he can be more help to the Fifth Column and Resistance on the inside.

• Jonathan was a technician in the Visitor Fleet and member of the Fifth Column. During the Second Invasion, he survived Diana's purge of the Fifth Column's members and remained a worker in the LA Mothership's docking bay. When he overheard Lieutenant James saying he had obtained a computer disk with a list revealing the locations of every of Resistance base and and leaders in the area. Jonathan steals the disk, but is spotted trying to escape with it by two troopers, who shoot him. Jonathan manages to evade them and hides the disk in a large sculpture for the upcoming Feast of Romalon. Philip comes across Jonathan as he succumbs to his injuries, his last words were the disk "in the volcano" before dying. Julie Parrish later realised the "volcano" was the volcano-shaped sculpture in the Romalon Room and retrieved the disk before escaping successfully.

• Kenneth was a member of the Fifth Column and a priest in the forbidden Order of Zon. During the Second Invasion, Kenneth activated a signaling device to contact the High Priest Amon, where he confessed to killing and could not live with the guilt. Amon comforted Kenneth before security guards rush in and capture him. Kenneth was later eaten alive by Diana's pet crivit, as a warning to Collaborator Garrison about reneging on a deal.

• Lorraine

• Martin was a soldier in the Visitor armed forces with the rank of Lieutenant and the secret leader of the Earth Visitor Fleet's Fifth Column network during the First Invasion. He remained undercover as Diana's most trusted aide. During the invasion, Martin befriended Mike Donovan, who inspired him into mobilising the Fifth Column into openly attacking Diana's supporters. Though Martin was forced to escape from the LA Mothership when Donovan (under the truth serum's influence) exposed him, he remained connected to the spreading Fifth Column network. He and the rest of his group helped a Resistance assault team captured the LA Mothership and disarm its Doomsday Device while the Red Dust was deployed on Earth's surface. Martin then piloted the Resistance-controlled Mothership back to Earth victorious. One year after Liberation Day, Martin and Donovan are news partners and acts as Donovan's sound operator and has to constantly take antidote pills to prevent dying from Red Dust exposure. When Diana was supposedly "assassinated", he and Donovan pursued her and tracked her to a shack in the woods guarded by Ham Tyler's agents. Martin knocked Donovan out with the camera and, with a hidden laser pistol, overpowered the guards and was poised to kill Diana, but he was knocked off balance by another guard and Diana stole his weapon. Diana forced him to surrender his last antidote pill and the names of every Fifth Column agent remaining in the Fleet before setting the shack on fire and escaping. Martin was critically injured in the fire while escaping. With mere minutes to live, Martin told a now-conscious Donovan of Diana's intent to return with the Fleet and asks him one last favour of his best friend; Kill Diana. Martin died in Donovan's arms. It is later revealed that virtually no-one in the Visitor Fleet knows the truth of Martin was a Fifth Column leader and how he really died. The official story, by Diana, was that Martin "bravely" attempted to rescue Diana from human security forces and was killed getting her to freedom. Martin's place as leader of the Fifth Column was succeeded by his twin brother; Philip.

• Oliver was a security guard in the Visitor Fleet orbiting Earth and a member of the Fifth Column during the First Invasion. He came to a captive Mike Donovan and, with no way to free him, offered him a suicide pill to prevent secrets of their individual movements from falling into Diana's hands. However, Diana discovered his secret and Captain Jake shot and killed him before Donovan could take the pill (which Diana crushed to keep him alive).

• Inspector General Philip

• Robert and his wife; Glenda, were a members of the Fifth Column. He and his wife survived Diana's purge of the Fifth Column's agents and grew afraid when Glenda became pregnant. Robert sabotaged the mission to kill several Resistance operatives with a hidden explosive device and stole the borellium crystals that powered the LA Mothership's laser cannons before escaping to Earth with his wife. When they met up with fellow Fifth Column member Willie and Resistance members Mike Donovan and Kyle Bates. Glenda went into labor and they took shelter at a warehouse, where she safely delivered her son. Donovan and Bates succeeded in repelling Visistor attackers and new Fifth Column leader Philip arranged for his shuttle to take Robert and his family to a an island in a hidden area of the South Pacific, where they could be safe from Diana's wrath.

• Simon was a member of the Fifth Column and a friend to Willie. During the Second Invasion, he survived Diana's purge of Fifth Column members and served as Willie's contact in the fleet, giving information whenever he could, but these acts left him paranoid of being followed by Diana's spies. He met Willie at an abandoned building to warn him of an immenent arrival of weapons to a secret location in the Open City of Los Angeles. Simon's fears of being followed prove to be warranted when two troopers arrive and open fire. Willie is injured and escapes while Simon is killed.

• Technician Thelma

• Technician William/"Willie"

• Technology Expert Jacob (deceased)