Sierra, labeled "The Obsessive Uber-Fan," is a breakout newcomer in Total Drama World Tour. She is a tall, purple-haired super-fan who runs a massive fan blog about the show's contestants. She joins the cast and fixates.

In Total Drama World Tour, Courtney is a competitive, Type-A perfectionist and a member of Team Amazon. She wears her classic outfit—a short-sleeved gray polo-style shirt over a white collar, a green skirt/shorts, and knee-high socks—and sings enthusiastically in the musical challenges [1.4], but her romantic life and friendships completely implode

In Total Drama World Tour, Bridgette is a kind, laid-back surfer girl competing on Team Victory. Her run is defined by her infatuation with the villainous newcomer Alejandro, which leads to her accidentally cheating on her boyfriend Geoff by getting stuck to a freezing pole in the Arctic, resulting in an early elimination and transition to co-hosting the Aftermath segments

In Total Drama World Tour, Gwen is the sarcastic goth girl who competes as a member of Team Amazon. She grows close to Courtney before a secret kiss with Duncan ruins their friendship and sparks a massive drama

In Total Drama World Tour, Duncan is a cynical delinquent who starts the season by abruptly quitting the musical challenge in episode 1, only to be forced back into the game later. Placed on Team Chris Is Really Really Really Really Hot, he finishes in 5th place after sparking an infamous, show-altering

In Total Drama World Tour, Chris McLean returns as the egotistical, charismatic, and increasingly sadistic host. He forces the remaining teen contestants onto a sketchy, deteriorating cargo plane to travel the globe, requiring them to sing during every single episode under threat of elimination.

Alejandro Burromuerto from Total Drama World Tour is the primary antagonist and co-finalist of the season. Labeled "The Arch Villain", he is a handsome, highly athletic, and multilingual young Spanish man who uses extreme charm, manipulation, and covert tactics to trick his fellow contestants into elimination

In Total Drama World Tour, Cody (Cody Emmett Jameson Anderson) is a geeky, friendly underdog on Team Amazon who unexpectedly reaches the final three. He spends most of the season enduring the intense, obsessive romantic fixation of his teammate Sierra, while also quietly navigating the season's high-stakes drama

In Total Drama World Tour, Heather transforms from a hated villain into the main anti-heroine and season finalist. As a member of Team Amazon