Heart of Stone (1950)
| Release Date: | 1950, December 8 |
| Directors: | Paul Verhoeven |
| Countries: | East Germany |
| Production: | DEFA |
| Cast: | Paul Esser, Erwin Geschonneck, Lotte Loebinger, Alexander Engel, Karl Hellmer, Lutz Moik, Hanna Rucker, Paul Bildt, Walter Tarrach, Hannsgeorg Laubenthal, Bernhard Goetzke |