Name: Heo Sungbum (M) Age: 28 Education: KAIST Personality: Has a puppy-like charm but becomes dead serious once the survival starts. Traits: Highly intelligent. Team: P3 Team Team Members: Hong Jinho, Heo Sungbum, Seo Chulgu, Choi Hyesun

Name: Hong Jinho (M) Age: 43 Education: N/A Personality: Mood maker, funny, and very affectionate. Traits: Smart, possesses strong leadership, and is a trustworthy person. Team: P3 Team Team Members: Hong Jinho, Seo Chulgu, Heo Sungbum, Choi Hyesun

Name: Choi Hyesun (F) Age: 29 Education: Ewha Womans University Personality: Puppy-like, warm, smiles a lot, and kind-hearted. Traits: Beautiful. Team: P3 Team Team Members: Hong Jinho, Heo Sungbum, Seo Chulgu, Choi Hyesun

Name: Seo Chulgu (M) Age: 35 Education: Brigham Young University Personality: Only shows affection to his own team; treats his teammates very well. Traits: Intelligent, excellent at calculations. Team: P3 Team Team Members: Hong Jinho, Heo Sungbum, Seo Chulgu, Choi Hyesun

Traits: Aggressive, skilled at forming alliances. Team: P1 Team Team Members: Lee Sangmin (M), Park Jimin (F), Jeong Keunwoo (M), Lee Taegyun (M)

Traits: The top team in terms of physical strength. Team: P2 Team Team Members: Ha Seungjin (M), Lee Junhyeong (M), Hyun Sungjoo (M), YunB (M)

Traits: Prone to internal conflict and bickering. Team: C Team Team Members: Kim Namhee, Kim Yuhyeon, Kim Kyunghoon, Kang Jihu

Traits: Funny and optimistic. Team: R Team Team Members: Kwak Bum, Lee Gwanhee, Choi Yeoncheong, Shin Seungyong