Someone's Knocking at the Door 2009

Synopsis:

Returning to the same medical school where they were test subjects years before, two twisted serial killers use brutal sex acts to kill off a group of med students.

Directed by: Chad Ferrin
Written by: Chad Ferrin & Roham Ghodsi & Rosie Roberts
Release date: 2009-08-21
Runtime: 80 minutes
Cast:
Noah Segan
Noah Segan
Justin William Carter II 
Andrea Renda
Andrea Renda
Megan "Meg" Laura Wagner 
Elina Madison
Elina Madison
Wilma Hopper 
Ezra Buzzington
Ezra Buzzington
John Hopper 
Jon Budinoff
Jon Budinoff
Sebastian Wilde 
Silvia Spross
Silvia Spross
Annie Van Der Berg