How many movies have Ian Anderson and John O'Hara acted in together?

They have worked on 2 movies together! Their first movie together was Ian Anderson - Plays the Orchestral Jethro Tull (2005) while their highest rated movie together was Jethro Tull's Ian Anderson - Thick As A Brick Live In Iceland (2014). They have not worked together since Jethro Tull's Ian Anderson - Thick As A Brick Live In Iceland (2014).