- Country: Montenegro, Serbia
- Genres: Drama, Fantasy, Horror
- Release: 2014-05-01
- Director: Milan Todorovic
- Writers: Marko Backovic , Barry Keating , Milan Konjevic
- Language: English | Serbian
- Stars: Kristina Klebe , Dragan Micanovic , Natalie Burn , Slobodan Stefanovic , Sofija Rajovic , Zorana Kostic Obradovic , Miodrag ‘Miki’ Krstovic , Franco Nero , Jelena Rakocevic , Janko Cekic
- Runtime: 94 min
- Awards: 1 win & 1 nomination
- AKA: Killer Mermaid (Canada) , Mamula (Serbia) , Dark Sea , Killer Mermaid (United Kingdom) , Killer Mermaids (United Kingdom) , Killer Mermaid (United States of America) , Нимфа (Bulgaria) , Nymph (Australia) , Mamula (Sweden) , Sirena ubojica (Croatia) , マーメイド NYMPH (Japan) , Мамула (Russian Federation) , Killer Mermaid (South Africa) , Mamula , Nymph (Philippines) , A Sereia Assassina (Brazil) , Killer Mermaid , Nimfa (Poland) , Nymph - Mysteriös. Verführerisch. Tödlich. (Germany) , Katil Jalpari (India) , Sirena (Romania) , Killer mermaid (Spain)A Sereia Assassina, Dark Sea, Mamula, Nimfa, Nymph, Nymph - Mysteriös. Verführerisch. Tödlich., Sirena ubojica, Мамула
- Plot: Two American girls travel to Montenegro on vacation to visit an old friend. While they're there they decide to venture to Mamula, an abandoned military fortress located on a remote island. During their exploration of the fortress they discover that they are not alone. Someone else is on the island with them and he will stop at nothing to protect it's secrets. There is a darkness hidden beneath the island and the terror has just begun.
- IMDB:tt3171764
Killer Mermaid Cast · · · ALL
Milan Todorovic
Director
Kristina Klebe
Kelly
Dragan Micanovic
Boban
Natalie Burn
Lucy
Slobodan Stefanovic
Alex
Sofija Rajovic
Yasmin
Zorana Kostic Obradovic
Scylla the Nymph
Miodrag ‘Miki’ Krstovic
The Guardian
Franco Nero
Niko
Jelena Rakocevic
Ana
Janko Cekic
Sergej
Miki Peric
Mickey Backpacker
Milena Predić
Bar Owner
Mina Sablic
The Creature