Which countries are on the list at the 2018 World Cup?

Here's the complete list of players for 32 contestant countries:

GROUP A
Russia
Saudi Arabia
Egypt
Uruguay

GROUP B
Portugal
Spanish
Morocco
Iran

GROUP C
France
Australia
Peru
Denmark

GROUP D
Argentina
Iceland
Croatia
Nigeria

GROUP E
Brazil
Switzerland
Costa Rica
Serbia

GROUP F
German
Mexico
Sweden
South Korea

GRUP G
Belgium
Panama
Tunis
English

GROUP H
Poland
Senegal
Colombia
Japan