Selby Thomas

- doppelganger identity switch as both are from time travel and the good/evil impersonate like the other one
- plenty of twists, thriller & every episode will keep you on the edge of what happens next

- doppelganger identity switch as both are clones and the evil clone impersonate like the other one
- plenty of twists, thriller & every episode will keep you on the edge of what happens next

I think plot sounds similar only a little

- doppelganger identity switch as original has to impersonate his other identical instead of his place
- ML is a cop ( 1st he is a cop but later he had to show others he is the other twin)
- plenty of twists, thriller

- doppelganger identity switch as original gets kidnapped so fake has to impersonate him
- ML is a judge (YH is about identical twins so one is judge other one is a thug)
- plenty of twists, thriller

I think plot sounds similar only a little

- doppelganger identity switch as original had an accident so fake has to impersonate him
- ML is a prosecutor/lawyer (only original is a prosecutor fake one is a con artist)
- plenty of twists, thriller

In this dramas ML /FL are best NIS agents in their fields
He/She lost someone close to them
Related to whole mystery and conspiracy
both include a lot of action, crimes and investigations

Both dramas ML are best agents in their fields
He lost someone close to him
Related to whole mystery and conspiracy
both include a lot of action, crimes and investigations

Both dramas ML are best agents in their fields
He lost someone close to him
Related to whole mystery and conspiracy
both include a lot of action, crimes and investigations

Both Dramas ML are top elite agent in their field (TV - NIS agent , K2 - Soldier)
Due to some reasons ML gets rogue/disappeared due to conspiracy
Full of Action, Mystery, Thriller which will keep you on the edge to watch what happens next
If you like the veil I suggest to watch The K2 as well

The plot is not similar but both dramas ML are elite NIS agents
Both dramas will give the Action, Thriller vibes
Both dramas ML lost someone close to him
Related to whole mystery and conspiracy
both include a lot of action, crimes and investigations

The plot is not similar but both dramas ML are elite agents in their fields
Both dramas are Action pack , thriller & many more (only in 3 Days he is an elite bodyguard agent to protect the President of Korea)
Both dramas will give the Action, Thriller vibes

Both dramas ML are NIS agents (except TFP due to a trauma he left & became a priest)
Both dramas contains Action pack , thriller
I suggest to watch both dramas as they will keep you on the edge at every episodes