Watch Mercy (2021) : Full Movie Online Free Mark Wingett stars as Slaughterman - in Award winning Actress Wendy Morgan's debut film introducing Maria Austin as MERCY - a factory farmed pig who bravely and touchingly takes us with her on her tragic journey as she leaves behind her own family and encounters those whose job it is to end her short violent life. As the world teeters on the precipice of ecological destruction, Mercy's story is at the heart of everything we are now and at the beginning of all that must change.