He is backing out of the office and has just reached the elevator lobby, closing the outer office door when Dossie surprises him. She thinks he was just arriving, trying to open the door. We see their conversation again, realizing that the coatrack broke because of the heavy figure in Marin's pocket. They eventually retake their places within the group. Once Martin has returned from his memory and the other actors reanimate he decides not to tell them his story and instead walks over to where Dan had placed his police gun on a side table.
Martin picks it up and shoots everyone dead.