SERIES REGULARS IN ALPHABETICAL ORDER:Mark Addy as King Robert Baratheon   
Alfie Allen as Theon Greyjoy                      
Sean Bean as Eddard 'Ned' Stark
Emilia Clarke as Daenerys Targaryen          
Nikolaj Coster-Waldau as Ser Jamie Lannister                    
Peter Dinklage as Tyrion Lannister                    
Michelle Fairley as Catelyn Stark
Aidan Gillen as Littlefinger
Jack Gleeson as Joffrey Baratheon                 
Iain Glen as Ser Jorah Mormont              
Kit Harington as Jon Snow                              
Lena Headey as Cersei Lannister  
Isaac Hempstead-Wright as Bran Stark   
Harry Lloyd as Viserys Targaryen
Richard Madden as Rob Stark                              
Rory McCann as Sandor Clegane (Hound)                  
Sophie Turner as Sansa Stark                          
Maisie Williams as Arya Stark                             
FEATURED CAST IN ALPHABETICAL ORDER:John Bradley as Samwell Tarly
Ron Donachie as Ser Rodrik Cassel
Jerome Flynn as Bronn
Conleth Hill as Varys
Jason Momoa as Khal Drogo
Donald Sumpter as Maester Luwin
GUEST CAST IN ALPHABETICAL ORDER:Josef Altin as Pyp
Gethin Anthony as Renly Baratheon
Ciaran Bermingham as Mord
Esme Bianco as Ros
Susan Brown as Septa Mordane
Dominic Carter as Janos Slynt
Antonia Christophers as Mhaegen
Kate Dickie as Lysa Arryn
Roy Dotrice as Grand Maester Pycelle
Emun Elliott as Marillion
Lino Facioli as Robin Arryn
Jefferson Hall as Ser Hugh of the Vale
Derek Halligan as Alliser Thorne
Rhodri Hosking as Mycah
Margaret John as Old Nan
Finn Jones as Ser Loras Tyrell
Dermot Keaney as Gared
Francis Magee as Yoren
Joseph Mawle as Benjen Stark 
Brendan McCormack as Ser Vardis Egan                                 
Ian McElhinney as Ser Barristan Selmy
Luke McEwan as Rast
Kristian Nairn as Hodor
Rob Ostlere as Ser Waymar Royce
Eugene Simon as Lancel Lannister
Jamie Sives as Jory Cassel
John Standing as Jon Arryn
Conan Stevens as Gregor 'The Mountain' Clegane
Peter Vaughan as Maester Aemon Targaryen
Miltos Yeromelou as Syrio Forel