It doesn’t take a Rockette scientist to know a high-kicking dance line will always enthrall an audience, so it isn’t surprising Surflight Theatre’s production of “A Chorus Line” is a hoofing sensation. It’s directed and choreographed by Karen Babcock Brassea, the theater’s go-to for dance-heavy shows, who has added another success to her resume.

What may be surprising, if you’ve never seen a live production of “A Chorus Line” or if you haven’t seen one for years and have forgotten, is the show’s…