How many movies have Cydney Sjostrom and Valerie Biggin collaborated on?

They have worked on 4 movies together! Their first movie together was Walking the Dog (2017) while their highest rated movie together was A Beautiful Place to Die: A Martha's Vineyard Mystery (2020). They have not worked together since Poisoned in Paradise: A Martha's Vineyard Mystery (2021). They are most known for their tv movie films together.