Dragon Crusaders 
IMDB : http://www.imdb.com/title/tt1999141/
Directed by: Mark Atkins
Stars: Dylan Jones, Feth Greenwood and Tony Sams...
Genre: Action | Adventure | Fantasy
A group of fugitive Knights Templar attacks a pirate ship and they are cursed to turn into hideous monsters. To fight the curse and ultimately save the world, they must defeat the wizard-dragon who is determined to destroy it.