The following is a list of people engaged in spying for Germany.
| Name | Based | Arrested | Notes | |
|---|---|---|---|---|
 United States | ||||
| United States | Naval attaché to the German embassy in Washington | |||
 Spain | ||||
| United States | ||||
 Brazil | ||||
| United States | ||||
 Norway | ||||
| United States | ||||
United States  Mexico | ||||
 United Kingdom | ||||
 France | ||||
 Switzerland | ||||
 Germany | Associated with Mata Hari | |||
| United States | Naval attaché to the German embassy in Washington | |||
| United States | ||||
| United States | ||||
 Finland | ||||
 Belgium | ||||
| United Kingdom | Worked as chief censor in United Kingdom | |||
| Mexico | ||||
| United Kingdom | ||||
| United Kingdom | ||||
| United States | ||||
| Persian Gulf * Persia | ||||
| United States * Mexico |
| Name | Based | Arrested | Notes | |
|---|---|---|---|---|
| Norman Baillie-Stewart | UK | 20 March 1933 | A WWI veteran who spied for Germany between the wars. Sentenced to five years, he was released from prison on 20 January 1937 and moved to the Continent. He received German citizenship, and was complicit with the broadcasts of Lord Haw Haw. | |
| Princess Stephanie von Hohenlohe | USA | March 1941 | A European aristocrat and German sympathizer, she operated in UK before fleeing to San Francisco in 1939. She was not active in USA beyond questioning by American authorities. |
| Name | Based | Arrested | Notes | |
|---|---|---|---|---|
| Carola Stern | Berlin | Head of Amnesty International, political writer and supporter of detente. | ||
| Carlos Penate | ||||
| Joairam Domingo |