Okay, I've decided. The kdrama actors will be Moon Ga Young (she's not my fave but I think she'd pull of this role and she looks like FL ) and for Lee Seob, we can have either Ahn Hyo Seop or Lee Jun-Ho. Neither are my faves, but they resemble Lee Seop sooo....
Kdrama recommendations for healing depression: Reply1988, My Liberation Notes, Prison Playbook, The Golden Spoon, Goblin.