How many movies have Howard Gibbins and Morgan O'Sullivan collaborated on?

They have worked on 3 movies together! Their first movie together was Not Afraid, Not Afraid (2001) while their highest rated movie together was The Roman Spring of Mrs. Stone (2003). They have not worked together since King Arthur (2004). They are most known for their drama films together.

King Arthur (2004)

Crew
Unit Production Manager
Crew
Associate Producer

The Roman Spring of Mrs. Stone (2003)

Crew
Line Producer
Role
Reporter
Crew
Producer

Not Afraid, Not Afraid (2001)

Crew
Associate Producer
Crew
Executive Producer