Nicolas N'Koulou played for Cameroon in the 2014 FIFA World Cup.
Yes, Cameroon played in the FIFA world cup before. In Italia 1990, they reached the quarter-finals, the furthest an African nation had reached ever before.
Benjamin Moukandjo had played 17 times for Cameroon before the 2014 FIFA World Cup.
Loïc Feudjou had played 2 times for Cameroon before the 2014 FIFA World Cup.
Cédric Djeugoué had played 3 times for Cameroon before the 2014 FIFA World Cup.
Dany Nounkeu had played 16 times for Cameroon before the 2014 FIFA World Cup.
Alex Song had played 47 times for Cameroon before the 2014 FIFA World Cup.
Landry N'Guémo had played 40 times for Cameroon before the 2014 FIFA World Cup.
Samuel Eto'o had played 117 times for Cameroon before the 2014 FIFA World Cup.
Vincent Aboubakar had played 24 times for Cameroon before the 2014 FIFA World Cup.
Jean Makoun had played 66 times for Cameroon before the 2014 FIFA World Cup.
Henri Bedimo had played 31 time for Cameroon before the 2014 FIFA World Cup.