A new face and a new life in a comedy that’s more than skin-deep – Su…

The Demi Moore film “The Substance,” currently in theaters, has a doppelganger in its midst: a dark comedy likewise about an actor undergoing a radical exterior transformation while overlooking some nagging problems under the skin.

It’s called “A Different Man,” starring Sebastian Stan, and writer-director Aaron Schimberg explores ego, self-esteem, envy and desire in different and…