Photo: Patrick Harbron/Disney Spoilers for the season-four finale of Only Murders in the Building , “ My Best Friend’s Wedding ,” below. In what has become a signature device of Only Murders in the Building , “ Lifeboat ,” the eighth episode of season four, adopts the perspective of the dead. Here, it’s Milton Dudenoff (Griffin Dunne), a film professor and Arconia resident whose remains Charles, Mabel, and Oliver find in the building’s incinerator. Dudenoff had developed a close bond with his