Alternative titles
The Squeaker (1963)
| CN | 告密者 |
| CZ | Špicl |
| ES | El delator |
| FR | L'Énigme du Serpent Noir |
| HK | 告密者 |
| IT | Edgar Wallace a Scotland Yard |
| RU | Доносчик |
| OTHER | Der Zinker |
The Squeaker (1963)
| CN | 告密者 |
| CZ | Špicl |
| ES | El delator |
| FR | L'Énigme du Serpent Noir |
| HK | 告密者 |
| IT | Edgar Wallace a Scotland Yard |
| RU | Доносчик |
| OTHER | Der Zinker |