How many movies have Katya Ivanova and Velizar Binev collaborated on?

They have worked on 5 movies together! Their first movie together was U.S. Seals II: The Ultimate Force (2001) while their highest rated movie together was Undisputed II: Last Man Standing (2006). They have not worked together since Undisputed II: Last Man Standing (2006). They are most known for their action films together.