Submarine Alert
1943, English. Directed by Frank McDonald.
Calling All Agents! STAND BY FOR THRILLS! ADVENTURE! ACTION!
Nazi spies use a stolen shortwave transmitter prototype to broadcast top secret shipping info to an offshore Japanese sub. To nab the spy ring, the Government has the West Coast's top radio engineers fired and shadowed to see if the Nazis recruit them to complete work on the prototype radio. Radio engineer Lew Deerhold, a resident alien without a job to pay for his adorable little ward Gina's life-saving operation, falls prey to the spy ring, and is swept up in a maelstrom of deceit and danger.
- Runtime
- 1h 6m
- Post-credits
- None listed
- Language
- English
- Rated
- NR
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PlexCast & crew
- Frank McDonaldDirector
- Richard ArlenLewis J. 'Lee' Deerhold
- Wendy BarrieAnn Patterson
- Nils AstherDr. Arthur Huneker
- Roger PryorG.B. Fleming
- Abner BibermanCommander Toyo
- Marc LawrenceVincent Bela
- John MiljanMr. Bambridge / Capt. Haigas
- Patsy NashTina Deerhold
- Ralph SanfordAgent Freddie Grayson
- Jack CarrOld Mill Gate Guard
- Dwight FryeHaldine (uncredited)
Details
- Released
- 28 June 1943
- Country
- United States of America
- Written by
- Maxwell Shane
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Submarine Alert: quick answers
Is Submarine Alert worth watching?
Submarine Alert doesn’t have enough ratings for a verdict yet.
How long is Submarine Alert?
Submarine Alert runs 66 minutes (1h 6m).
Does Submarine Alert have a post-credits scene?
None is listed for Submarine Alert. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Submarine Alert parents guide: is it suitable for kids?
Submarine Alert is rated NR in India. Check the rating guidance before watching with young children.
Which OTT platform is Submarine Alert on?
Submarine Alert isn’t on a subscription OTT platform in India, but you can watch it free online. (Checked 9 November 2026.)
What movies are like Submarine Alert?
If you liked Submarine Alert, try The Sea Wolves, Battleground, 36 Hours.
Who directed Submarine Alert?
Submarine Alert (1943) was directed by Frank McDonald and stars Richard Arlen, Wendy Barrie, Nils Asther.