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She said: "I think the story has a lot to tell, there's so much to tell in a friendship that close and sometimes that heated, that takes place over 30, 40 or 50 years.
"It lends itself well to continuing and I really hope Netflix agrees, I hope they pick it up and it does go for a second season."
The season one finale featured a number of cliffhangers as Kate and Tully had clearly ended their friendship.
Fans are yet to find out the cause of their dispute and they are hoping the answer is revealed in season two.
Johnny's fate was also left hanging in the balance after he was caught up in a landmine explosion in Iraq.