Wiktionary
method actor
n. An actor who employs the techniques of method acting
Wikipedia
Usage examples of "method actor".
Sounding like a method actor who believes his lines, Rove offered some readings from the Kerry record.
Then he sat frowning at it with his mouth hanging open, selecting from it, memorising and rejecting simultaneously, the way a Method actor might read his lines: I'll say this but say it differently, I won't say that at all, I'll do this but my way not his.
The young blond, energetic, intense as a method actor, with the astonishingly supple body, seemed born for this kind of reckless abandonment.
I'm a method actor, and this was a good exercise, although I think I fell asleep before you came out.