The Standbys

Enjoyable doc celebrates theater pros who rarely see the spotlight.

Ms. Riggs gives each actor a story arc of sorts, and all three are personable guides to this backstage world, explaining the process and terminology and talking openly about their lives and jobs.

Either Riggs needed to dig deeper or she should have included a wider range of personalities.

For those who are familiar with this universe, Standbys is a worthwhile refresher course; for those who aren't, it's an eye-opener.