The word "duplicitous" means being deceitful or dishonest, often by pretending to have different feelings or intentions from what one actually has. Full definition
From the electric guitar on the soundtrack to the predictable duplicitous nature of practically every single character, «Kill Me Three Times» kills all the fun by the time you reach the halfway point. (indiewire.com)
It certainly looks like The West Wing if Aaron Sorkin «s show was dark, cynical, and filled with duplicitous characters but... (collider.com)