Cast & crew
M (1931)
Directed by Fritz Lang Written by Fritz Lang, Thea von Harbou
Cast
| Otto Wernicke | Lohmann |
| Carl Ballhaus | Leeser |
| Hertha von Walther | Prostitute |
| Theodor Loos | Groeber |
| Gerhard Bienert | Suited Criminal |
| Karl Hannemann | Kriminalbeamter |
| Inge Landgut | Elsie Beckmann |
| Theo Lingen | Bauernfänger |
| Rosa Valetti | Airport Bartender |
| Karl Platen | Damowitz |
| Franz Stein | Prime Minister |
| Hadrian Maria Netto | Polizeihauptmann |
| Ellen Widmann | Elsie Beckmann |
| Lucie Rhoden | Sekretärin Musikhochschule |
| Georg John | Panhandler |
| Peter Lorre | Hans |
| Gustaf Gründgens | Schränker |
| Rudolf Blümner | District Attorney |
| Paul Mederow | Staatsanwalt |
| Paul Kemp | Pickpocket |
| Friedrich Gnaß | Franz Kemmerich |
| Ernst Stahl-Nachbaur | Chief |
| Fritz Odemar | Cult Cheater |
| Peter Lorre | Hans Beckert |
| Franz Stein | Minister |
| Karl Platen | Damowitz |
| Lucie Rhoden | Secretary in the Police Archives |
| Rudolf Blümner | Becker's 'Attorney' |
| Georg John | Blind Panhandler |
| Ernst Stahl-Nachbaur | Police Chief |
| Gerhard Bienert | Criminal Secretary |
| Rosa Valetti | Bartender |
| Hertha von Walther | Prostitute |
| Karl Elzer | (uncredited) |
| Anna Goltz | Woman (uncredited) |
| Günther Hadank | (uncredited) |
| Robert Hartberg | (uncredited) |
| Ernst Paul Hempel | (uncredited) |
| Erwin Faber | (uncredited) |
| Ilse Fürstenberg | (uncredited) |
| Heinrich Gotho | (uncredited) |
| Heinrich Gretler | Man (uncredited) |
| Sigurd Lohde | (uncredited) |
| Hanna Maron | Girl in Circle at the Beginning (uncredited) |
| Max Maschek | (uncredited) |
| Paul Mederow | Public Prosecutor (uncredited) |
| Margarete Melzer | (uncredited) |
| Trude Moos | (uncredited) |
| Hadrian Maria Netto | Police Captain (uncredited) |
| Lotte Loebinger | Woman (uncredited) |
| Alfred Loretto | Man (uncredited) |
| Paul Rehkopf | (uncredited) |
| Bertold Reissig | Man (uncredited) |
| Ernst Rhaden | Man (uncredited) |
| Hans Ritter | (uncredited) |
| Agnes Schulz-Lichterfeld | (uncredited) |
| Leonard Steckel | Man (uncredited) |
| Karl-Heinz Stroux | (uncredited) |
| Max Sablotzki | Man (uncredited) |
| Alexander Sascha | (uncredited) |
| Paul Kemp | Pickpocket with Six Watches |
| Ellen Widmann | Frau Beckmann |
| Inge Landgut | Elsie Beckmann |
| Otto Wernicke | Inspector Karl Lohmann |
| Gustaf Gründgens | Schränker |
| Friedrich Gnaß | Franz |
| Fritz Odemar | The Cheater |
| Theo Lingen | Bauernfänger |
| Theodor Loos | Inspector Groeber |
| Joseph Almas | (uncredited) |
| Hans Behal | (uncredited) |
| Behal Carrell | (uncredited) |
| J.A. Eckhoff | (uncredited) |
| Carl Ballhaus | Leeser, Man Who Marks Hans Beckert (uncredited) |
| Paul Biensfeldt | Man Suspected in Street (uncredited) |
| Josef Dahmen | (uncredited) |
| Hugo Döblin | (uncredited) |
| Else Ehser | Woman (uncredited) |
| Oskar Höcker | (uncredited) |
| Albert Hörrmann | (uncredited) |
| Ellen Isenta | Woman (uncredited) |
| Karl Junge-Swinburne | Man (uncredited) |
| Albert Karchow | (uncredited) |
| Werner Kepich | (uncredited) |
| Hermann Krehan | (uncredited) |
| Kurth Leeser | (uncredited) |
| Rose Lichtenstein | (uncredited) |
| Neumann-Schüler | Bit Role (uncredited) |
| Günter Neumann | Man (uncredited) |
| Katharina Nied | Woman (uncredited) |
| Maya Norden | (uncredited) |
| Edgar Pauly | Man (uncredited) |
| Klaus Pohl | Witness / One-Eyed Man (uncredited) |
| Franz Poland | (uncredited) |
| Eduard Rebane | Man (uncredited) |
| Fred Nurney | Man (uncredited) |
| Wolf Trutz | (uncredited) |
| Borwin Walth | (uncredited) |
| Rolf Wanka | Man (uncredited) |
| Ernst Wulf | (uncredited) |
| Bruno Ziener | (uncredited) |
| Otto Waldis | (uncredited) |
Crew
| Adolf Jansen | Sound Designer |
| Wilhelm Weber | Makeup Artist |
| Karl Vollbrecht | Art Direction |
| Paul Falkenberg | Sound Editor |
| Fritz Arno Wagner | Director of Photography |
| Ernst Wolff | Production Manager |
| Emil Hasler | Art Direction |
| Fritz Lang | Screenplay |
| Fritz Lang | Director |
| Seymour Nebenzal | Producer |
| Paul Falkenberg | Editor |
| Thea von Harbou | Screenplay |
| Fritz Arno Wagner | Director of Photography |
| Fritz Lang | Screenplay |
| Thea von Harbou | Screenplay |
| Paul Falkenberg | Editor |
| Fritz Lang | Director |
| Ernst Wolff | Production Manager |
| Wilhelm Weber | Makeup Artist |
| Gustav Rathje | Unit Manager |
| Emil Hasler | Art Direction |
| Karl Vollbrecht | Art Direction |
| Paul Falkenberg | Sound Editor |
| Edgar G. Ulmer | Set Designer |
| Seymour Nebenzal | Producer |
| Adolf Jansen | Sound |
| Horst von Harbou | Still Photographer |
| Robert Baberske | Camera Operator |
| Erwin Hillier | Assistant Camera |
| Károly Vass | Assistant Camera |