(1 episode)

Daniel Sim

Jang Kyun (6 episodes)

(1 episode)

Jang Ji-yang

Self (8 episodes)

Self (1 episode)

Self (1 episode)

Self (1 episode)

Hae Sung

Self (1 episode)

Nam Kang-ho (10 episodes)

Assistant Manager Lee

Secretary Yoon (6 episodes)

Jae-Yeon Cho (10 episodes)

(9 episodes)

(1 episode)

Rae-hwan

Self (1 episode)

Self (1 episode)

Deok-hwa

Mackenzie (3 episodes)

Yoo Jin-Han (16 episodes)

Kwon Min-seong (16 episodes)

Steve Jung

Jin-su

Jerome / Park Su-chan (16 episodes)

Ragaz (1 episode)

Viktor Tsoi

[Guy at the Bar] (1 episode)

Kim

Mr. Kim

Thomas

Jay

Peter

Klaus Kim

Shadow 3

Self

Mustache

The Lover

Secretary

Gustav Verga

Emil

Driver

Tommy Woo