Lee Gi-taek

as Grand Prince Su-yang (1 episode)

as Grand Prince Su-yang (1 episode)

as Self (5 episodes)

as Self (8 episodes)

as Shin Ji-soo (12 episodes)

as Chris (12 episodes)

as Yoon Teo / Theo Harris (16 episodes)

as Self (1 episode)

as Lee Yoon Soo (8 episodes)

as Seok Si-yoon (2 episodes)

as Tae-sun (16 episodes)

as Seo Do-hyun (10 episodes)

as Cheol-ddo (12 episodes)