Cast & crew
Es hat geklingelt (1951)
Directed by Wolfgang Becker Written by Per Schwenzen, Heinz Schwarzmann
Cast
| Heinrich Berg | |
| Walter Hillbring | |
| Fred Kallmann | |
| Werner Lieven |
Crew
| Paul Grupp | Cinematography |
| Wolfgang Becker | Director |
| Wolfgang Becker | Producer |
| Herbert Jarczyk | Music |
| Per Schwenzen | Writer |
| Heinz Schwarzmann | Writer |