- For other uses, see List of Minor Characters.
Animal Liberation Front
- Main article: Animal Liberation Front
The Animal Liberation Front is a group composed of eco-terrorists who appear in the episode "Free Willzyx".
- Main article: Doctor Lindsay
Doctor Lindsay briefly appeared in "The Death of Eric Cartman". She is the psychic Cartman and Butters went to get help for Cartman, who believed he was actually a ghost. Believing that Cartman was a ghost, Doctor Lindsay shrieked in fear and ran off.
Dr. Biber is a plastic surgeon, who appeared in the episode "Mr. Garrison's Fancy New Vagina".
- Main article: Dr. Pal
Dr. Pal is a doctor that came to help talk to Jimmy about his erections in "Erection Day".
- Main article: Hippies
Hippies came to South Park for a music festival in "Die Hippie, Die".
- Main article: Jakartha
Jakartha is a feared assassin who appears in the episode "Follow That Egg!". He was hired by Mrs. Garrison to kill Stan Marsh's and Kyle Broflovski's egg so that Mrs. Garrison can prove that gay couples cannot raise children, and therefore cannot be married.
- Main article: Jambu
Jambu is a killer whale that the boys try to send to the moon in "Free Willzyx".
- Main article: John Travolta
John Travolta is an American actor who appears in "Trapped in the Closet".
- Main article: Karate Instructor
- Main article: Marjorine
Marjorine is the female alter-ego of Butters Stotch seen in "Marjorine".
- Main article: Nicole Kidman
- Main article: Nut Gobbler
- Main article: Q-Money
Q-Money appeared in the episode "Erection Day" as Nut Gobbler's pimp.
- Main article: R. Kelly
R. Kelly is an American singer who appears in "Trapped in the Closet".
- Main article: Shauna
Shauna appeared in the episode "Erection Day" as Jimmy's date.
- Main article: Sylvester Stallone
Sylvester Stallone appeared in the episode "Wing" as the host of the reality show, "The Contender". After hearing Wing's singing in the show, he asks the boys, with the help of a translator, to have Wing sing at his son's wedding.
- Main article: Tom Cruise
Tom "Bat Dad" Nelson
- Main article: Tom Nelson
Tom Nelson appears in "The Losing Edge" where he fights other fathers during Little League baseball games.
Wing Han Tsang
- Main article: Wing Han Tsang
- Main article: Xenu
Xenu is the alien character of Scientology who appeared in "Trapped in the Closet".
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