In a 2019 IGN interview, Arthur's actor Roger Clark revealed that on top of playing Arthur, he also played "about two dozen" characters in Red Dead Redemption II. One character he had to play due to their actor being unavailable for motion capture recording that day was Spoiler:Mary in a post-credits scene where she mourns at Arthur's grave, ironically resulting in the actor mourning his own character's death.
Contributed by MehDeletingLater