"Song of Ice and Fire" author George R.R. Martin has been very open about Natalia Tena's Osha being the character whose incarnation on "Game of Thrones" he perhaps prefers to her version on the page. 
 
Last week, on the "Game of Thrones" premiere red carpet in Hollywood, I talked with the "Harry Potter" franchise veteran about how her Osha is different from the Osha in the books? The key differences, apparently? She's younger and plumper. But how did she come to be plumper? Well, Tena has theories.
 
In the conversation, Tena explains how Osha is "like a psychopathic mother-bodyguard" this season and describes the closeness of the Belfast contingent of the "Game of Thrones" cast.
 
Definitely one of my favorite interviews from that red carpet, Tena also uses at least one word that may not be safe for your workplace, depending on said workplace. You've  been warned.
 
Check out the interview above. And you should also check out my red carpet interviews with MartinRose LeslieNikolaj Coster-Waldau and Oona Chaplin. And stay tuned for a couple more interviews in the days to come.
 
"Game of Thrones" returns to HBO on Sunday, March 31.