The point of view of "The Interlopers" is third-person omniscient narrator. For, the narrator taps into the thoughts and feelings of Ulrich von Gradwitz and Georg Znaeym, even though near the end of the narrative as suspense rises the narrator does not describe the inner workings of the men quite as much in order to create more suspense.
omniscient narrator--a narrator who knows everything that needs to be known about the agents and events...