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About an investigation

9.019311h 33mMovieCrimeDrama

During an inquest after a woman is killed, the judge suspects his own son. The woman's lover had been friendly with the son and he was also supposed to be married to the judge's daughter.

DirectorsRobert Siodmak·Henri Chomette
WriterRobert Liebmann
ProducerErich Pommer

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About an investigation was released on June 5, 1931 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Robert Siodmak

AAnnabella
Annabella
Greta Bienert
JPJean Périer
Jean Périer
Judge Conrad Bienert
CDColette Darfeuil
Colette Darfeuil
Mella Zier
FFlorelle
Florelle
Erna Kabisch
PRPierre Richard-Willm
Pierre Richard-Willm
Paul Brent
GMGaston Modot
Gaston Modot
Baumann, detective
JMJacques Maury
Jacques Maury
Walter Binert
POPaul Ollivier
Paul Ollivier
Old Scherr
RA
Robert Ancelin
Klatte
BBBill Bocket
Bill Bocket
Concierge Zühlke
PFPierre Franckh
Pierre Franckh
Brann
WRWilly Rozier
Willy Rozier

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More from Robert Siodmak · Director

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About an investigation — streaming FAQ

Which OTT platform streams About an investigation?

About an investigation isn't streaming anywhere in United States yet.

Is About an investigation on Netflix?

No, About an investigation is not on Netflix in United States as of September 2026.

Is About an investigation on Amazon Prime Video?

No, About an investigation isn't on Amazon Prime Video in United States right now.

Where can I watch About an investigation for free?

About an investigation isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for About an investigation?

About an investigation hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around July 24, 1931. This is a prediction, not a confirmed date.