Watch 25-minute Game of Thrones making-of documentary NOW

Only 10 days left until the series premiere of Game of Thrones, HBO's adaptation of George R.R. Martin's epic fantasy series A Song of Ice and Fire. Make sure you're up to speed with this just-released making-of documentary.

The doc gives some more background on many of the complex characters, including Eddard "Ned" Stark (Sean Bean), his wife Catelyn Stark (Michelle Fairley), Cersei Lannister (Lena Headey), her brothers Jame Lannister (Nicolaj Coster-Waldau) and Tyrion Lannister (Peter Dinklage), Daenerys Targaryen (Emilia Clark), King Robert Baratheon (Mark Addy) and Eddard's bastard son Jon Snow (Kit Harrington).

Check it out below so you'll know who's who when the series begins!

Game of Thrones debuts April 17.

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