Im always trying for the f me moment.

Irlam has a team of expert stuntpeople, but he also works with the actors on their combat techniques.

Theyve cast some very talented actors that can actually do their own fights, he says.

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Credit: Nick Wall/HBO

Although occasionally the players can get a little too enthusiastic.

Sometimes you have to hold them back a little, he says.

Hell go, Hey, Rowley, Ive got this great idea.

I think Im gonna jump on this guy and kick this guy in the head!

And you have to go, No, no, Kristofer, we cant do that.'

Despite all the fisticuffs, Irlam must ensure everything is meticulously planned so there are no serious injuries.

One of the ways Irlam does that is by using a safe word rarely heard in Westeros.

So our safe word was always banana.

If someone started shouting banana!

at the top of their voice, youd know theyre in trouble.

Game of Thronesreturns for its eighth and final season April 14 on HBO.