- Costello, John2
- Page, Bruce2
- Stevenson, William2
- Bar-Zohar, Michael1
- Brook-Shepherd, Gordon1
- Chambers, Whittaker1
- Dobson, Christopher1
- Heaps, Leo1
- Hurt, Henry1
- Kalubin, Oleg1
- Kettle, Michael1
- Kostov, Vladimir1
- Krivitsky, W. G.1
- Moravec, Frantisek1
- Morgan, Ted1
- Orlov, Alexander1
- Pinto, Oreste1
- Read, Anthony1
- Shevchenko, Arkady N.1
- Sudoplatov, Pavel1