Veteran postman Bob Morley ( Ralph Lewis ) and his son Johnnie ( Johnnie Walker ) are honored for their service to the U. S. Mail Service. When Johnnie takes a position on the Enterprise, he is falsely convicted of theft and murder when the cargo is stolen and the ship's officer is shot. Finally, a confession from the real culprit saves Johnnie from being executed. - IMDb
| Assalto à Ambulância Postal | Portugal |
| The Mailman | USA |
| Navnløse Helte | Denmark |
| Postraub auf hoher See | Austria |
| Sentinels of the Sea (new title) | United Kingdom |
| メイル・マン | Japan |
![]() |
Martha Sleeper [13] | Betty |