‘The Humans’ review: Stephen Karam’s hit play about an unsettling Thanksgiving comes to Showtime, starring Amy Schumer and a table full of real humans

Here’s a nice surprise: a restrained, authoritative film version of a hit play that was just asking for trouble. “The Humans” marks playwright and screenwriter Stephen Karam’s directorial debut, and is now available on Showtime.

I say “restrained” because it’s so rare in these stage-to-screen circumstances. Whether a theatrical property goes for the throat, the heart, the head or a gut-punch to the stomach, a movie