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The Secret of 421 was released on March 1, 1938 but we couldn't find it on any streaming service yet. Rights can change — try again later.
Get the app to be notifiedCast · Directed by Léopold Simons
EB
Edouard Bréville
Louis Bruxellois
SC
Suzanne Christy
Elise Brassepeninck
LD
Line Dariel
Zulma Brassepeninck
JD
Jean Darwels
Le Sidi
AD
André Duhamel
Johnny Brown
GF
Guy Favières
Patron Commissaire
ZF
Zizi Festerat
L'agent
HO
Hélène Ourgel
Sidonie
P
Pradelle
Désiré
PR
Paul Robert
L'homme au foulard blanc
WR
Walter Ruffax
Huberto Cavelcanti
LS
Ludy Sambi
Olga Mersmann
More from Suzanne Christy · Co-star actress
The Sandman
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Let's Keep Smiling
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Jeunes filles en liberté
1934 · 7.0
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1929 · 5.3
The Small Parisian One
1926 · 7.0
He has lost a bride
1932 · 7.0
The Marriage of Mademoiselle Beulemans
1927 · 8.0
Un coup de téléphone
1932 · 9.0
Southern Cross
1932 · 9.5
Rapacity
1930 · 8.0
See all fromSuzanne Christy
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The Secret of 421 — streaming FAQ
Which OTT platform streams The Secret of 421?
The Secret of 421 isn't streaming anywhere in Canada yet.
Is The Secret of 421 on Netflix?
No, The Secret of 421 is not on Netflix in Canada as of September 2026.
Is The Secret of 421 on Amazon Prime Video?
No, The Secret of 421 isn't on Amazon Prime Video in Canada right now.
Where can I watch The Secret of 421 for free?
The Secret of 421 isn't streaming in Canada yet, so there's no way to watch it free at the moment.
What is the OTT release date for The Secret of 421?
The Secret of 421 hasn't started streaming in Canada yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around April 19, 1938. This is a prediction, not a confirmed date.
