About an investigation 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. Details Casts Posters Title About an investigation Release Date 1931-06-05 Runtime 01 Hours 33 Minutes Genres Crime Drama Production Companies UFA Production Countries Germany Annabella... Greta Bienert... Jean Périer... Le juge Conrad Bienert... Colette Darfeuil... Mella Zier... Florelle... Erna Kabisch... Pierre Richard-Willm... Paul Brent (as Richard-Wi... Gaston Modot... Baumann, le détective... Jacques Maury... Walter Binert... Paul Ollivier... Le vieux Scherr... Robert Ancelin... Klatte... Bill Bocket... Le concierge Zühlke (as ... Pierre Franckh... Brann... Willy Rozier... ... Théo Tony... ... Laila Bensedira... Singer... Original Size (1156x1732)