Hi axeman,
I have not played this game but read the 2 wts here at GB wt site. There is part that wasn't in the wt that I think you're following. It might be the act that is needed to get it moving for you.
Here let you read: SPOILER:
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Slayton's Office
Read Agnes Simon's file in the right lower drawer of the desk. You learn that she is a former silent film star. Now her dog, Wo-Tan, is a movie star and has been kidnapped.
Get Agnes wire recording from the safe and listen to hear the special call she used for Wo-Tan. Go to Agnes Simon's house.
Agnes' House
The butler lets you in only after Agnes insists. When you glance at the picture of Wo-Tan, Agnes appears and gives you a photo of Niles, her valet who supposedly died in a swimming accident. The butler then throws you out. Go to Scheherezade.
Hope this helps, if not lets wait for one who has played this game.
Good luck!
MaG