What do you do when you happen to be part of the Night’s Watch and it’s your kid’s birthday? You get everyone else to wish him happy birthday, of course. True Game of Thrones fans might say that Night’s Watch members don’t have any children, and they’d be right — but this particular feat isn’t actually related to the movie.

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Brian Fortune, whom you may know as Othell Yarwyck in Game of Thrones, recorded a quick video for his boy Kevin, asking other cast members who play Night’s Watch characters to wish him happy birthday on camera.

Kevin then posted the video on Reddit, before removing it from YouTube and reposting it again. “My Dad one of the Night’s Watch got them all to wish me a Happy Birthday,” he wrote.

The hilarious video, with most of the actors staying in character as they wish Kevin happy birthday, follows below.