France
Italy
Single father obsessed with murdering the hit&run driver who killed his only child, poses as a screenwriter to get close to an actress who was in the death car. He feels fully prepared to kill the pretty young woman if she was the driver, but as his knowledge of her family grows, so does his empathy for them. - IMDb
| Accidente sin huella |  Spain |
| Az Állatnak meg kell halnia |  Hungary |
| The Beast Must Die (original script title) | |
| Het beest moet sterven (informal literal title) |  Netherlands |
| A Besta Deve Morrer |  Brazil |
| Beštia musí zomrieť |  Slovakia |
| Bestie musí zemřít |  Czechoslovakia |
| Das Biest muß sterben |  West Germany |
| Das Biest muss sterben (alternative spelling) | West Germany |
| Claude Chabrol´s Das Biest muss sterben | West Germany |
| Dyret skal dø |  Denmark |
| Killer! | |
| Killer! |  United Kingdom |
| Mannen, flickan och odjuret (theatrical title) |  Sweden |
| Neka zvijer krepa |  Yugoslavia |
| Niech bestia zdycha |  Poland |
| Que la bestia muera |  Argentina |
| Que la Bête Meure | United Kingdom |
| Que la bête meure |  Ecuador |
| Que la bête meure | France |
| Requiem para um Desconhecido (original subtitled version) |  Portugal |
| Să moară fiara! |  Romania |
| Tämän miehen on kuoltava |  Finland |
| This Man Must Die |  Canada |
| This Man Must Die |  USA |
| Ucciderò un uomo | Italy |
| Udyret skal dø |  Norway |
| Να πεθάνει το κτήνος |  Greece |
| Нехай звір помре (new title) |  Ukraine |
| Пусть зверь умрет |  Soviet Union |
| 野獣死すべし |  Japan |
 |
Marc Di Napoli [16] | Philippe Decourt |
 |
Stéphane Di Napoli [11] | Michel Thenier |
