World Cup 2018 - which teams have qualified for Russia?

Germany are the defending world champions, beating Argentina 1-0 in the 2014 final
The final round of World Cup qualifying is taking place, and 28 countries are already assured of their places alongside hosts Russia at next summer's 32-team tournament.

Five-time winners Brazil are there, as are defending champions Germany, plus Argentina, Belgium, Colombia, Costa Rica, Croatia, Egypt, England, France, Iceland, Iran, Japan, Mexico, Morocco, Nigeria, Panama, Poland, Portugal, Saudi Arabia, Senegal, Serbia, South Korea, Spain, Sweden, Switzerland, Tunisia and Uruguay.

So how did they get there? Who will be their star performers? And who are the coaches who masterminded their qualification?