How many movies have George A. Romero and Kristina M. Horner collaborated on?

They have worked on 1 movie together! Their first movie together was The Dark Half (1993) and was their highest rated movie together. They have not worked together since The Dark Half (1993).

The Dark Half (1993)

Crew
Director
Crew
Special Effects Coordinator
Crew
Screenplay
Crew
Executive Producer
Role
Customer (uncredited)