Allies:

Returning:

United States of America

New:

South Korea (Female)

South Vietnam

West Germany/Germany

Supporting:

Returning:

Greece

Great Britain

Main Villains:

Returning:

Soviet Union

New:

North Korea (Male)

North Vietnam/Vietnam (Female)

People's Republic of China (Female)

Cuba (Female)

Supporting (Really Not Villains):

Returning:

Poland

Czechoslovakia

Romania

New:

Hungary (Female)

Bulgaria (Male)

Albania (Female)

East Germany (Female)