Per Marshall's comment to her, the aide who helps him with the fax machine (portrayed by Messiri Freeman) is listed in the credits as "Future Postmaster General".
Jürgen Prochnow plays General Ivan Radek yet in the cast list he is credited as "General Alexander Radek".
Gary Oldman's character is credited as Ivan Korshunov, even though he's called Egor every time his name is seen onscreen.