Pedro Pascal (Oberyn Martell) has an American accent

 

Jack Gleeson (Joffrey Baratheon) has an Irish accent

 

Peter Dinklage (Tyrion Lannister) has an American accent

 

Aiden Gillen (Littlefinger) has an Irish accent

 

Richard Madden (Robb Stark) has a Scottish accent

 

 Rory McCann (The Hound) has a Scottish accent

 

Iain Glen (Jorah Mormont) has a Scottish accent

 

Rose Leslie (Ygritte) has a (London) English accent

 

Liam Cunningham (Davos Seaworth) has an Irish accent

 

Miltos Yerolemou (Syrio Forel) has a British accent

 

Carice van Houten (Melisandre) has a Dutch accent

 

Kristian Nairn (Hodor) can say things that AREN'T "Hodor"