- Chun Woo-hee
- Â 8F 8 episodes, 2024
- Bae Sung-woo
- Â 1F 8 episodes, 2024
- Park Jeong-min
- Â 7F 8 episodes, 2024
- Ryu Jun-yeol
- Â 3F 8 episodes, 2024
- Lee Joo-young
- Â 2F 8 episodes, 2024
- Park Hae-joon
- Â Tae-seok 8 episodes, 2024
- Moon Jeong-Hee
- Â 5F 8 episodes, 2024
- Lee Yeol-eum
- Â Kim Yang 8 episodes, 2024
- Rich Ting
- Â Tae Seok / ... 8 episodes, 2024
- Yuuki Luna
- Â Eighth Floor (Sera) 8 episodes, 2024
- Ell
- Â 2F / ... 8 episodes, 2024
- Nicole Fong
- Â 4F 8 episodes, 2024
- Lee Zoo Young
- Â Second Floor 8 episodes, 2024
- Anzu Lawson
- Â Mun Jeong 1 episode, 2024
- Oh Eun-Seo
- Â Noh Da-in 1 episode, 2024
- Jeon Su-ji
- Â Sang-Guk's wife 1 episode, 2024
- Seo Min-Seong
- Â Used car dealership owner 1 episode, 2024
- Min-Jung Park
- Â Philip unknown episodes
