USA
Gangster and police look for a gangster's son who witnessed a murder. - IMDb
| Det lille vidne |  Denmark |
| Ego eida ton dolofono (transliterated title) |  Greece |
| Gangster's Boy | USA |
| Im Dschungel der Großstadt |  West Germany |
| Johnny Rocco |  Canada |
| Johnny Rocco |  United Kingdom |
| Johnny Rocco |  Romania |
| Johnny Rocco |  Sweden |
| Johnny Rocco | USA |
| A Morte Selou Seus Lábios |  Brazil |
| La muerte selló sus labios |  Mexico |
| Rauschgiftschmuggler und Gangster |  Austria |
| Il riscatto di un gangster |  Italy |
| Rocco, el hijo del ganster |  Spain |
 |
Richard Eyer [13] | Johnny Rocco |
 |
The Robert Mitchell Boy Choir | Singing Ensemble |
|
Robert Eyer [10] | Billy |
