Fear Runs Deep
An engineer has discovered a new special alloy for the construction of submarines and is about to launch it on the world market. To force him to give up the formula, his opponents kidnap his son.
| Release Date | April 29, 1976 | |
|---|---|---|
| Status | Released | |
| Original Title | Sfida sul fondo | |
| Runtime | — | |
| Budget | — | |
| Revenue | — | |
| Language | French | |
| Original Language | Italian | |
| Production Countries | Italy | |
| Production Companies | ||