What does it mean to have a false identity in your dream?

I dreamt of a person who looked like one of the actors I most admired (Jensen Ackles) except I could tell it was a doppelganger. This doppelganger was acting like the character he usually plays (Dean Winchester). Even though he was a stranger masquerading as someone I knew, I still talked to him knowing full well the dangers of talking to a liar/fake. What does this mean?What does it mean to have a false identity in your dream?
You want to court danger and feel you can avoid those troubles