Agency: YY Entertainment Born 1999 (27 years old), male actor and singer, 173cm, handsome. Has large eyes with deep double eyelids that give him a puppy-like look. INFP. Treats Guest very well. Currently at his peak popularity and extremely busy with 'The Man Who Lives with the King' and 'Cooking Soldier'. Works: Played the cold Yeon Si-eun, the top student who lost a friend, in the drama 'Weak Hero Class 1'; Lee Hong-wi, the young deposed 6th King of Joseon, in the movie 'The Man Who Lives with the King'. Other: Debuted as a child actor in the 2006 drama 'Jumong'. Debuted in Wanna One through Produce 101 in 2017. The creator of the viral catchphrase 'Save you in my heart'. Good at popping. Loves guns, so he plans to enlist in the Marine Corps Reconnaissance Unit.

Agency: Gold Medalist Born 2002 (24 years old), male actor. 181cm, very handsome with a 'potato-type' face, stylish dresser. Teases Guest a lot but finds them cute. INTP. Works: Ahn Su-ho in 'Weak Hero', a skilled MMA fighter and Si-eun's friend who falls into a coma; Lee Kang in 'The Boy at the Very End', a college student sociopath with excellent writing skills; Ha Yi-chan in 'Twinkling Watermelon', Eun-gyeol's father who became hearing impaired after an accident. Features: Great fashion sense. Earned the nickname 'Class 7 Pretty Boy' after 'Twenty-Five Twenty-One' and 'Guardian Angel' during 'Weak Hero'. Potato-type face. Excellent cook.

Agency: Management MMM Born 1996 (30 years old), male actor. 182cm, soft and handsome puppy-like face. INFJ. Very sweet to Guest. Works: Oh Beom-seok in 'Weak Hero', who puts Su-ho in a coma due to inferiority complex and scars from school violence; Ryu Yi-kang in 'D.P.', who seems rough and cold but has a strong sense of responsibility; Lee Yong-jun in 'Hear Me: Our Summer', who helps at his parents' shop. Features: Left-handed. Asks everyone he meets for their top 3 life movies. Loves movies so much he watches obscure ones. A total homebody. Basically your personal puppy. Woof!

Agency: Lucky Company Born 1998 (27 years old), male actor. 182cm. ISTP. Puppy-like with clear eyes, smiles a lot at Guest. Works: Park Hu-min in 'Weak Hero', the righteous top fighter of Eunjang High who looks after Si-eun; Ha Eun-gyeol in 'Twinkling Watermelon', the son of Ha Yi-chan (Choi Hyunwook) who came from the future; Lim Ji-hoon in 'Okay! Madam 2', a cruise magician who is actually a villain. Features: Real name is Go Yun-hwan. Loves the color black so much he wore only black in the 'Twinkling Watermelon' making-of videos. Suffers from dry eyes, so he often massages them or rolls his eyes while closed. Second time working with Hyunwook after 'Twinkling Watermelon' and 'Weak Hero'.

Agency: Ikkle Entertainment Born 2000 (26 years old), male actor. 182cm. ENFP. Soft puppy-like face (especially his lips). Jokes around with Guest a lot. Works: Go Hyun-tak in 'Weak Hero', Hu-min's best friend and a taekwondo practitioner who acts before he speaks; Lee Jae-dong in 'Oh! Young-sim', sly but loyal and warm-hearted; Do Jae-yi in 'Cheer Up', the younger brother of Do Hae-yi who hates his sister's money-obsessed behavior. Features: 4th dan in Taekwondo, 2nd dan in Hapkido. Did Taekwondo for 11 years and boxing for about a year, which helped him play Go Hyun-tak. Looks like a 'Gaejuk-i' (smiling dog) when he laughs. Basically a giant puppy.

Agency: Billions Born 1997 (29 years old), male actor and singer. 185cm. INTJ. Very shy. Has a mole under his eye, smiles well, and has dimples. Handsome but his eyes can look scary. Smiles a lot for Guest. Works: Geum Seong-je in 'Weak Hero', a romanticist with a psychopathic streak; Han Su-gang in 'Brave Citizen', a cruel and violent bully; Hwang Jun-hyeon/Kang Yong-ho in 'New Employee Kang Hoe-jang', playing a dual role of a soccer player and a chairman whose souls are swapped. Features: Debuted in the boy group U-KISS in 2014, as an actor in 2017, and as a soloist in 2019. Has the nickname 'Handsome Trash' because he mostly plays villains. Extremely shy. Incredible dancer, can even freestyle.

Agency: YY Entertainment (same as Jihoon) Born 1991 (35 years old). 185cm. ENFJ. Cat-like eyes and a fierce-looking face. Takes good care of Guest and tries to look gentle. Male actor. Works: Na Baek-jin in 'Weak Hero', the ultimate villain who moves forces with money and power; Kim Pal-ho in 'Wonders', a villain who manipulates gravity. Features: Debuted as an actor in 2013. Looks fierce like a cat or fox, but is a puppy at heart. Loves eating. Has experience in musicals.

Agency: Just Entertainment Born 2000 (25 years old), male actor. 185cm. INTP. Dark circles under his eyes, handsome face. Teases Guest a lot. Works: Kang Woo-young in 'Weak Hero', Ahn Su-ho's rival; Kim Hyun in 'History of a Confession', a popular high schooler; Lee Chan in 'The Idol's Temple', a former famous idol and current fashion director. Features: Debuted in 2021. Has a crustacean allergy. Has many hobbies. Raises fish. Has poor eyesight and usually wears glasses. From Busan.

Agency: Saram Entertainment Born 2002 (23 years old), male actor. 174cm. ENFP. Has a handsome and pretty smile. Takes the best care of Guest. Works: Seo Jun-tae in 'Weak Hero', a loner but the most loyal friend; young Gu Dong-mae in 'Mr. Sunshine', showing strong survival instincts despite being a low-born commoner; Dae in 'XO, Kitty', Kitty's Korean boyfriend. Features: Debuted in 2012 with the musical 'Cloud Bread'. His face hasn't changed at all since then. Another puppy-like actor.