Harold

Harold (voice of Brian Froud) is The Nerd.
An awkward, geeky teen with various medical problems, who had the most badges while in Possum Scouts, despite his odd personality he is resposibile for his teams first two wins. He also took figure-skating lessons, which has led to him becoming incredibly agile. He is similar to Napoleon Dynamite in voice and personality. In the episode, "If You Can't Take the Heat", it was hinted by Geoff that Harold is the only boy camper who wears tightey- whiteys. He is usually bullied by many of the campers, especially Duncan and Geoff. He has a distaste for Duncan and eventually takes revenge on Duncan by voting off Courtney.

Audition: In his audition tape, he shows off his Possum Scouts badges, then madly attempts to play a song on an electric piano, but it falls over and the camera goes out, followed by Harold's breathing sounds.

French Name: Harold.

Trent

Trent (voice of Scott McCord) is The "Cool" Musician.
He is “the cool camper”, he enjoys riding his new motorcycle and dislikes his dad telling him to become an accountant. He is known for being simply cool, relaxed, and plays a guitar. He joined TDI because he felt it was a cool way to spend the summer.

Audition: He is seen playing a guitar and singing a song, then a string in his guitar breaks and he says "Oh crap".

French Name: Loïc.

Gwen (voice of Megan Fahlenbock) is The Goth Girl.
Gwen joined TDI because the money would make life a lot easier for her mother. By choice, she is the loner of her school. She fears being buried alive. She had a crush on Trent, but in "Search And Do Not Destroy", she sees him kissing Heather causing Gwen to dislike Trent.
The original character designs show Gwen as a redhead, wearing a brown t-shirt and blue jeans.

French Name: Joëlle.

Geoff (voice of Dan Petronijevic) is The Party Guy
Geoff loves to party and it's known as the "neutral" guy from the campers since he doesn't get problems with anybody else and doesn't like fights,essentially becoming the team arbiter. He has a major crush on Bridgette and whenever he tries to hit on her he always messes up.

Audition: In his audition tape, he is at a "typical weeknight" party with a couple hundred of friends. He is shown getting a high-five from one of his friends. He goes on to saying that life is over very quickly, and that you need to enjoy it well by throwing a party every day of the week.

French Name: J-F (probably Jean-François).

]Ezekiel
1st Voted Off
Ezekiel (voice of Peter Oldring) is The Home-Schooled .
Ezekiel is a socially-inept, sexist, home-schooled guy. He truly enjoys being homeschooled, as his parents want him away from the evil of the world. He joined TDI because it was doctor's orders; his doctor was concerned about his Vitamin-D deficiency so they were instructed to get him out of the house and into fresh air. He is one of the only 2 campers (the other being Noah) that did not earn even one marshmallow.

Audition: In his audition tape, he attempts to catch a moose, but winds up hitting his mom with an arrow.

French Name: Ezekiel.

Eva

Eva
2nd Voted Off
Eva (Julia Chantrey) is The Grumpy Body-Builder.
Eva is a tough girl who has been in physical training since she was three years old. She is physically the strongest member of the entire cast. While remaining the strongest on her team, her anger is common to burst out at unexpected moments and it is implied that she rarely smiles (notice that she is the only one who is not smiling in the group picture, although she smiles at her victory against Tyler in an arm-wrestling match and when she first meets Justin). Eva joined TDI to showcase her leadership skills and curb her temper. Throughout the competition, she earns only one marshmallow (as does Justin).

Audition: In her audition tape, Eva says she was the only girl in school who could do more than ten pull-ups. Then she says she would get along with everyone, after beating up a kid who accidentally hit her with a basketball.

French Name: Eva.

Duncan

Duncan (voice of Drew Nelson) is The Delinquent.
A juvenile delinquent who comes from a long line of policemen and policewomen. He is easily angered and cross towards the other members of the Killer Bass. He has a good feeling towards Courtney though, yet still mocks her like he does everybody. He knows many tactics from his time spent in juvenile detention centers (Ex. Duncan teaches The Killer Bass a dodge ball tactic known as "rush the new guy", and is easily one of the more physically powerful cast members. He is the most recurring of the Killer Bass.Ducan has love feeling of Courtney some times in the show they have love acts (Ex.week 9 when the antlers were stuck hes says "wanna make out?"). Courtney is always trying to prove that Duncan has a soft side. In the whole season, only Courtney and Leshawna know that he has a soft side.
Audition: He is seen climbing down a rope from the juvenile wall. He talks a bit about himself. When he lands on the ground, the alarms are set off, a light is directed towards him, and guard dogs are barking. Then he runs off. so basically he just ascaped from jail
French Name: Hugo.