USA
A country family of five takes in cousin Julia, whose parents recently perished in a car crash. Julia extends her influence over the family and those around them, fooling all except for Rachel, the teenaged girl who knows her cousin is up to no good. - IMDb
| Cadı |  Turkey |
| Eine tödliche Bedrohung |  West Germany |
| L'été de la crainte |  France |
| L'été de la peur |  Canada |
| L'été de la peur | France |
| Extraño verano |  Argentina |
| Extraño verano |  Colombia |
| Extraño verano |  Mexico |
| Extraño verano |  Peru |
| Extraño verano (original subtitled version) |  Uruguay |
| Fryktens sommer |  Norway |
| Gypsy Night Kill | West Germany |
| Las dos caras de Julia |  Spain |
| Night Kill - Eine tödliche Bedrohung | West Germany |
| O Verão do Medo |  Portugal |
| Obcy w naszym domu |  Poland |
| Pelon kesä |  Finland |
| Stranger in Our House | Canada |
| Stranger in Our House (TV listings title) | USA |
| Summer of Fear | |
| Summer of fear |  Sweden |
| Summer of Fear | Finland |
| Summer of Fear |  United Kingdom |
| Summer of Fear | USA |
| To kalokairi tou tromou |  Greece |
| Verão do Medo |  Brazil |
| Незнакомец в нашем доме |  Soviet Union |
| 戦慄の夏 |  Japan |
 |
James Jarnigan | Bobby Bryant |
