double-faced

A shrewd, double-faced individual, who was secretly a partner with Massin-Levrault the money-lender.

Thus she served her apprenticeship in that double-faced policy which was ever the secret motor of her life.

You're of the kind I should like to reward, an excellent double-faced man, Judas-like, betraying with a kiss.

Do you imagine the Regent is so double-faced or so foolish as to try to deceive Master Marcel?

"I had to do it, you know," Christopher answered, half apologizing for the double-faced rôle he had played.