How many movies have Gregory Harrison and Martha Williamson collaborated on?

They have worked on 7 movies together! Their first movie together was Signed, Sealed, Delivered: Truth Be Told (2015) while their highest rated movie together was Signed, Sealed, Delivered: Lost Without You (2016). They have not worked together since Signed, Sealed, Delivered: The Vows We Have Made (2021). They are most known for their tv movie films together.