Where to watch Submarine Alert (1943) in the UK
Submarine Alert (1943) is available to watch free in the UK on Plex and Tubi TV. It can also be rented from Amazon Video or bought from Amazon Video. Last verified on 10 May 2026 by ScreenSearch.
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.
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in Submarine Alert.
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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
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Submarine Alert — frequently asked questions
Where can I watch Submarine Alert for free in the UK?
Submarine Alert (1943) is available free (with adverts or a TV licence) on Plex and Tubi TV in the United Kingdom.
How much does it cost to rent Submarine Alert?
Rental prices vary by service and tier (HD vs 4K), typically £3.49 to £5.99 in the UK for a 48-hour rental. ScreenSearch links you straight to Amazon Video so you can check the current price.
Can I buy a digital copy of Submarine Alert?
Yes. Submarine Alert can be bought as a digital download from Amazon Video in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.
Is Submarine Alert on Netflix, Disney+ or Amazon Prime Video in the UK?
Submarine Alert is not currently included with any major UK subscription service. It may still be available to rent or buy.
How accurate is this film's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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