1939 is generally considered Hollywood's greatest year. No one will ever list "Jane Arden" as one of the classics made that year, but it shows that several rungs down from the likes of "Gone With the Wind" or "Wuthering Heights" the studios were also churning out dependably entertaining little movies to fill up theater bills. Director Terry O. Morse (who was primarily an editor) keeps the action moving along briskly, and the plot, while hardly original, is actually one that makes sense and is easy to follow, unlike the overly convoluted plots in many similar films. The chase finale, on horse drawn carriages, seems to be taking place in the Wild West rather than Bermuda, the film's alleged setting, but that's a minor quibble.
One of the hallmarks of B (and C) movies of that era was the quality of the performances you get even from a "no name" cast. Dependable second tier action hero William Gargan is very good here, as is suave villain James Stephenson. (In an A movie the part might've gone to James Mason). Rosella Towne, previously unknown to me, does a solid job as the lead. Too bad this movie never spawned a series, ala "Torchy Blaine." I also really enjoyed the comic relief provided by Dennie Moore as the heroine's loopy sidekick. Moore, probably best known as the loud mouthed manicurist who spills the bean in "The Women" (another great 1939 movie), has a bit of a Gracie Allen vibe, comically enhanced by her New York accent.
A few reviewers have wondered whatever happened to Rosella Towne. It was actually fairly common for "minor" actresses of that period to be very busy for a few years, then retire while still young. I think in many cases they saw their careers going nowhere, and tired of being on the Hollywood treadmill (possibly including the casting couch?) decided that marriage and family was a better long term option. (Though Towne was young to retire at 24. Many actresses stuck it out until at least their late 20s).