How many movies have Don Harrison and Kayla Mackey collaborated on?

They have worked on 7 movies together! Their first movie together was Signed, Sealed, Delivered: One in a Million (2016) while their highest rated movie together was Signed, Sealed, Delivered: Lost Without You (2016). They have not worked together since Morning Show Mysteries: Murder on the Menu (2018). They are most known for their tv movie films together.