SFCowboy said: "I don’t know if you ever got your answer, but I just saw this in Los Angeles (fantastic, not to be missed!) and
Click Here To Toggle Spoiler Contentthis is truly a remarkable scene. One actor indeed plays both roles when the characters intersect, simply by changing his facial expressions, body language, and voice. He shifts rapidly between the two, but it is always very clear who is talking at any one time, partly from the context of the text, but mostly from his portrayals. He doesn’t even need to change position to suggest one character or the other. Much of the scene is performed facing forward towards the audience.
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This is exactly what happened in the Broadway production as well. One actor standing center stage, facing out at the audience. It is one of the moments (of MANY) seared into my brain from this shatteringly brilliant day of theater.
<-- Tevye, FIDDLER ON THE ROOF, March 2018