How many movies have Ken Casey and Matt Kelly acted in together?

They have worked on 2 movies together! Their first movie together was Dropkick Murphys - Au Hellfest 2022 (2022) while their highest rated movie together was Dropkick Murphys - Hellfest 2024 (2024). They have not worked together since Dropkick Murphys - Hellfest 2024 (2024).