Is wilmer valderrama leaving ncis

Most of the NCIS fans want to know that is Wilmer leaving NCIS? 

The rumors begin when the he shared post on his Instagram that he might leave NCIS  

When Valderrama posted about an exciting new opportunity coming up to play Zorro in a live-action version of the series for Disney Branded Television

But wait who is Wilmer Valderrama ? Wilmer Eduardo Valderrama is an American actor, producer and television personality

Well I know most of you already knew him for his acting in NCIS, But what happened to him suddenly he is leaving NCIS?

Will he will be back? Rumors says that he might be back in episode 20

Yes you heard it right he might be back in episode 20