This is a page of guest characters on the fifth season of Smallville (2005-2006).
Disciples of Zod
- "Nam-Ek" played by: Leonard Roberts
- "Aethyr" played by: Alana De La Garza
- Appear in: "Arrival"
The Disciples of Zod (named in spoilers as Nam-Ek and Aethyr, but not named in the show) are two Kryptonians that came to Earth in the second meteor shower. Lana saw them come out of their spaceship after her helicopter had crashed. When the local police tried to shoot them, they retaliated by blowing up their cars with heat vision. The aliens were sent to Earth by their master, General Zod, to look for Kal-El, a.k.a. Clark, and terrorized the town in search of him. Lana finally lured them to the Luthor Mansion on the advice of Lionel (who was in a Kryptonian trance), who told her that the Kryptonite in the vault of the mansion was their weakness. They soon realized it was a trap, however, and subdued Lana, knocking her out. Clark then arrived, and the aliens tried to persuade him to join them, but Clark refused. They then created a vortex to trap Clark and neutralize him. However, he managed to wriggle free and throw them inside the vortex, which then flew through a window of the Luthor Mansion and disappeared.
Professor Milton Fine a.k.a. Brainiac
After the Disciples of Zod were neutralized by Clark, their spaceship was stolen by Lex and kept in a special room at LuthorCorp. A black ooze started to seep from the spaceship, out of which arose Milton Fine/Brainiac. Fine was later revealed to be Clark's history professor at Central Kansas A&M, and he hired Clark as his research assistant for a book he was writing on LuthorCorp.
He has been recently visiting Luthorcorp, finally revealing his evil side by killing an employee, and obtaining classified information about its top-secret projects, including "Project 1138", which consisted in a development of a vaccine to cure a vampire disease that was caused when cave bats were exposed to meteor rocks. Professor Fine used this finding to cause heat between Clark and Lex.
Lee and the Twins
- "Lee" played by: Kenny Johnson
- "The Twins" played by: Brad Mann and Todd Mann
- Appear in: "Mortal"
Lee is a rough, muscular Belle Reve Asylum patient who is able to generate electricity through his hands. He and the Twins, two bald metahumans able to generate force fields, spent time living in LuthorCorp's mysterious Level Three. One day, Lee and the Twins broke out of Belle Reve and headed for the Kent farm, where they took Jonathan, Martha, and Lana hostage to force Clark to go to Level Three and retrieve some Kryptonite serum that Lee is in dire need of. The Twins erected a force field around the Kent farm to prevent Sheriff Adams and other policemen from entering the premises, while Clark and Chloe broke into Level Three; however, they were unable to retrieve the serum due to lasers that were guarding it. Instead, Clark and Chloe rigged a suitcase with a bomb and returned to the Kent farm, where Clark tricked Lee into opening the suitcase, and then felled him with a punch. Lee and the Twins were then promptly arrested by Sheriff Adams.
Gabriel Duncan
- Played by: Johnny Lewis
- Appears in: "Hidden"
Gabriel Duncan, the son of an Army colonel, is a psychotic teenager who was bent on destroying all "mutant" life in Smallville. After the second meteor shower, his father became a mutant as well, and so Gabriel killed him. Gabriel then used his father's military secrets to activate a nuclear missile; he programmed it to land on Smallville so it would destroy every mutant in town. When Clark and Chloe learned of his plans, they lured him out to the countryside, but Gabriel discovered their ruse and shot Clark. Clark was later taken to the hospital where he died, but was subsequently taken to the Fortress of Solitude and resurrected by Jor-El, with his abilities fully returned. Meanwhile, Gabriel kidnapped Chloe and took her to the launch site; however, Chloe managed to escape. Gabriel tried to kill her, but in the struggle for the gun, Gabriel shot and killed himself instead.
Arthur "A.C." Curry a.k.a. Aquaman
- Played by: Alan Ritchson
- Appears in: "Aqua"
Arthur "A.C." Curry, a mysterious swimmer, appeared on Crater Lake to save Lois from drowning, just seconds ahead of Clark's saviour attempt. A.C., a marine biology student at the University of Miami, had arrived in Smallville to take down a weapons project by LuthorCorp ("Leviathan") that was harming undersea life. Due to his flirting with Lois, Clark, as usual, suspected the worst of him and tried to warn Lois about him, but she told him to buzz off.
Clark followed A.C. and discovered his plan, stopping his attempt to bomb LuthorCorp's marine facility. This resulted in an amazing underwater battle between Clark and A.C., in which the future "Aquaman" displayed his awe-inspiring abilities (such as ultra-fast swimming and throwing energy balls made out of water). Clark went down in defeat, and realized A.C. was serious about his mission.
After both Clark and A.C. made an unsuccessful attempt to convince Lex to scrap the Leviathan project, A.C. went to do the job himself. However, he was captured by Lex after being shot by a tranquilizer dart and deprived of water, seriously weakening him. Fortunately, Clark arrived on the scene and replenished A.C., after which the latter was able to destroy Leviathan. A.C. subsequently left town to freely roam the high seas, after saying an emotionally-charged goodbye to Lois at Crater Lake.
Pauline Kahn
- Played by: Carrie Fisher
- Appears in: "Thirst"
Pauline Kahn, the editor-in-chief of the Daily Planet, was approached by Chloe for a job as an intern. Seemingly bossy but with a strong character, Kahn wanted to test Chloe and bring out the true reporter within her by denying her the internship. She told Chloe that she was lucky to get a previous job at the Daily Planet at such a young age, when other people struggle for years to get the same opportunity. She also reminded Chloe that it was Lionel Luthor who gave her that job, and he was also the one who took it away after she "pissed him off".
Chloe pleaded with Kahn to reconsider, and even told her that she was willing to start at the very bottom, but Kahn still refused. Before leaving, Chloe told Kahn that despite having a powerful position now, even she had to start somewhere. Impressed by Chloe's resolve, Kahn decided to see if Chloe was indeed worthy of working at the Planet by asking her to submit a story.
Some time later, Chloe gave Kahn a story about a sorority of vampires at Metropolis University. Despite initially dismissing the story as fluff published by tabloids such as the Inquisitor, Kahn saw the flashes of brilliance that Chloe had, saying that she wasn't "completely untalented" but that she wasn't a very good reporter yet either. She finally decided to give Chloe the job, and Chloe started her work at the Daily Planet just like she said she was willing to do...at the bottom.
Buffy Sanders
- Played by: Brooke Nevin
- Appears in: "Thirst"
Buffy Sanders is the President of the Tri-Psi sorority at Metropolis University. She defined the sorority as the best on campus, with the richest and prettiest girls. Lana was forced to pledge Tri-Psi in order to find housing, since she had been accepted to Met U so late. However, after she was accepted, Buffy revealed to her that the sorority sisters were actually vampires, and turned Lana into a vampire by cutting her own tongue and making Lana drink her blood. While doing some digging for her story for Pauline Kahn, Chloe discovered that none of the girls who joined Tri-Psi left after joining. She and Clark attended a Tri-Psi Halloween party, where Clark discovered that Buffy, a Smallville girl, had been trapped in a cave full of bats and was rescued by LuthorCorp. When he later talked to Lex about this, Lex told Clark that Kryptonite had been in the cave walls, mutating all animal and plant life in the cave. In the case of the bats, they had been turned into vampire bats and bitten Buffy, who was infected with a strange strain of rabies that turned her into a vampire. Meanwhile, Chloe caught Lana dancing a little too close with another guy. She confronted Lana about this, and Lana bit into her, but Clark came to Chloe's rescue. Buffy saw Clark witnessing Lana's biting into Chloe, and threatened to have the sorority feed on Lana unless she brought Clark back to them as a meal. Lana succeeded in doing this by biting into Clark while he was visiting Lex, and in the process gleaned his heat vision. Later, when the sorority sisters were about to feed on Clark, Lana stopped them, saying that he was not a normal guy. This angered Buffy, who faced off with Lana, but Lana promptly incinerated her with a blast of heat vision.
Senator Jack Jennings
- Played by: Tom Wopat
- Appears in: "Exposed"
Jake Jennings is portrayed by Tom Wopat, who used to co-star on the show The Dukes of Hazzard along with John Schneider, who portrays Johnathan Kent. In another subtle reference to their previous work together in Dukes, Jennings (Wopat) drives a 1969 Dodge Charger, the same make/model/year as the "General Lee" from that series.