Full cast of ON and OFF

Kim Min-ah

Self

56 episodes

Sung Si-kyung

Self

56 episodes

Jo Se-ho

Self

56 episodes

Uhm Jung-hwa

56 episodes

Park Cho-a

56 episodes

Yoon Park

56 episodes

Nucksal

56 episodes

Chris Lyon

Himself

5 episodes

Ahn Ji-young

Himself

3 episodes

Sim Eun-woo

Himself

2 episodes

Yoon Shi-yoon

Self

1 episode