Credit: Jim Creighton via IMDB Photo: Gary Oliver to Play Braavosi Captain

Just when we thought it was over, news comes down the pipeline that yet another new actor has joined the cast of Game of Thrones Season 4

As io9 points out,  IMDB lists actor Gary Oliver as having a small role as “Braavosi Captain” in the Season 4 finale. So who, or what, is a Braavosi Captain?

First, a little geography. Braavos is one of the Free Cities of Essos, the continent which lies across the Narrow Sea from Westeros. The Free Cities are literally just across the water from Westeros, so their dealings with the Seven Kingdoms are much more frequent than the other far-away places in Essos, such as the Slave Cities where Dany is currently hanging out. Now, the last episode of Season 4 is going to feature a captain from Braavos. What’s this captain going to be doing?

Warning: The rest of this article contains minor spoilers from the A Song of Ice and Fire book series. Click away now if you don't want to know!

Well, based on the A Song of Ice and Fire books and what we already know about the cast of Season 4, we can think of two possibilities. We already know that Mark Gatiss is playing the role of Tycho Nestoris, a representative of the Iron Bank of Braavos, in Season 4. Tycho will need to get to Westeros by ship, and his ship will need a captain... Boom: Braavosi Captain.

That said, there's another possibility we derive from the books. After Arya ditches the Hound, she’s looking for a way to reach Jon Snow at the Wall. She runs into a boat, from Braavos, and speaks with its captain. He doesn’t want to take her on board, until she shows him the coin she got from Jaqen H’ghar back in Season 2 — which, if you recall, he told her to show to any man from Braavos. Arya says “Valar Morghulis,” to which the captain replies, “Valar Dohaeris,” and he lets her board. We’re thinking this option is the more likely of the two, since the character is set to appear in the season finale, it would make sense to have it coincide with Arya setting off on the next chapter of her story.

What part do you think this Braavosi captain will play? Let us know in the comments below.