 Limited by his wheelchair, Stewart had to react to what his character sees with mostly facial responses.Like Mann, Hitchcock uncovered new depths to Stewart's acting, showing a protagonist confronting his fears and his repressed desires.Although most of the initial acclaim for "Rear Window" was directed towards Hitchcock, critic Vincent Canby later described Stewart's performance in it as "grand" and stated that "[his] longtime star status in Hollywood has always obscured recognition of his talent."