•
Brooke D'Orsay as Caitlin Cooke: A peppy, spoiled, blonde-haired
English Canadian girl with a love for fashion and shopping. She is the newest member of the group, which she joined after she started working at The Big Squeeze lemonade stand in order to pay off the debt she accrued on her father's credit card. •
Megan Fahlenbock as Jennifer "Jen" Masterson: A responsible, athletic
Irish Canadian girl who is the tomboy of the group. Her mother married Jonesy's father, reluctantly making the pair step-siblings. Jen also has a controlling side and often pushes herself into other people's business. •
Terry McGurrin as Jonesy Garcia: A laid-back, flirtatious
Latin American Canadian boy who is in a relationship with Nikki Wong for most of the series. He picks on Jen Masterson and calls her "step-sis" because his father eventually marries Jen's mother. As a
running gag, he gets fired from a new job at a store in almost every episode. • Stacey DePass as Nicole "Nikki" Wong: A rebellious, no-nonsense
Chinese Canadian tomboy with a quick, sarcastic wit who is in a relationship with Jonesy Garcia for most of the series. A younger version of Nikki made a cameo appearance in the second episode of
Total DramaRama (similar to Jude's age), titled "Duck Duck Juice". •
Christian Potenza as Jude Lizowski: A fun-loving, easy-going
Jewish Canadian boy with a knack for extreme sports, over-the-top comportment and pranks. A younger version of Jude is featured in the
Total Drama spin-off,
Total DramaRama. • Jess Mal Gibbons as Wyatt Williams: A sensitive, music-loving
Black Canadian boy with a caffeine addiction. He works in a music store and has a romantic relationship with his boss, Serena. He fancies himself as being somewhat more mature than his friends and is often portrayed as the most responsible of the group, along with Jen. ==Episodes==