In the middle of the film the Admiral is driven home. He starts by going east down Whitehall towards Trafalgar Square, though he actually lives in on the Middlesex side of the Thames by Kew railway bridge, as is clear from the name of the adjacent sailing club.
When Kimberly is listening to the news broadcast of his "death", the newscaster refers to the Manhattan Project spy Ethel Rosenberg as Esther Rosenberg.