Secrets of the Underground poster
Where to stream

Secrets of the Underground

7.019421h 10mNRMovieCrime

With the help of a WAAC group, Mr. District Attorny smashes a Nazi spy-ring that is selling counterfeit War Stamps and Bonds.

DirectorWilliam Morgan
WritersDaniel Mainwaring·Robert Tasker

Where to watch

Not available in Canada
Streaming in 3 other countries

Secrets of the Underground isn't on any streaming service in Canada right now, but it's available in Australia, New Zealand, United States. Streaming rights are licensed per country.

Cast · Directed by William Morgan

JHJohn Hubbard
John Hubbard
P. Cadwallader Jones
VGVirginia Grey
Virginia Grey
Terry Parker
LCLloyd Corrigan
Lloyd Corrigan
Maurice Vaughn
RRRobin Raymond
Robin Raymond
Marianne Panois
MMMiles Mander
Miles Mander
Paul Panois
OHOlin Howland
Olin Howland
Oscar Mayberry
MSMarla Shelton
Marla Shelton
Mrs. Perkins, WAAF
NHNeil Hamilton
Neil Hamilton
Harry Kermit
BWBen Welden
Ben Welden
Henchman Joe (uncredited)

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Secrets of the Underground — streaming FAQ

Which OTT platform streams Secrets of the Underground?

Secrets of the Underground isn't on any streaming service in Canada yet, but it's available in Australia, New Zealand and United States. Streaming rights differ by country — switch your country in the header to see where.

Is Secrets of the Underground on Netflix?

No, Secrets of the Underground is not on Netflix in Canada as of September 2026.

Is Secrets of the Underground on Amazon Prime Video?

No, Secrets of the Underground isn't on Amazon Prime Video in Canada right now.

Where can I watch Secrets of the Underground for free?

Secrets of the Underground isn't streaming in Canada yet, so there's no way to watch it free at the moment.

Is there a sequel to Secrets of the Underground?

Yes — Secrets of the Underground is followed by Mr. District Attorney (1947) in the Mr. District Attorney Collection.

Is there a prequel to Secrets of the Underground?

Yes — Mr. District Attorney in the Carter Case (1941) comes before Secrets of the Underground in the Mr. District Attorney Collection.

Is Secrets of the Underground part of a trilogy?

No — Secrets of the Underground is part of the Mr. District Attorney Collection, which has 4 films.

How many movies are in the Mr. District Attorney Collection?

There are 4 films in the Mr. District Attorney Collection: Mr. District Attorney (1941), Mr. District Attorney in the Carter Case (1941), Secrets of the Underground (1942) and Mr. District Attorney (1947).