The teaser trailer for Prime Video's post-apocalyptic hit has arrived, and it includes a first look at a new character played by the actor.

Fallout season two has introduced a major character from the games, New Vegas' Robert House. Mr. House will be played by Justin Theroux.

Justin Theroux plays Robert Edwin House in Fallout season 2, the former CEO of RobCo Industries, owner of the Lucky 38 and ruler of the New Vegas Strip. More commonly known as Mr House in the 2010 game, Fallout: New Vegas, House also briefly featured in Fallout season one, where Rafi Silver portrayed him.

So, in the first teaser trailer for Fallout Season 2, we’re introduced to Mr. House, and we see him interact with Cooper Howard, the human version of Goggins’ character. It appears that this story from the past will overlap with The Ghoul and Lucy’s trip to New Vegas, and create parallel stories like we saw in Season 1.

The Fallout season 2 trailer is a stellar example of the way previews can be crafted when the people involved care about the project they're marketing.

The newest trailer for Fallout season 2 reveals Justin Theroux's character as the iconic Mr. House from Fallout: New Vegas. Learn more about this exciting casting choice and what it means for the show's second season.

Fallout season 2, premiering Dec. 17, brings the action to New Vegas, introduces Justin Theroux's Robert House and gives fans their first look at Deathclaws What happens in New Vegas, stays in New Vegas — hopefully.

Walton Goggins, Ella Purnell and Aaron Moten are back for the second season. Prime Video has revealed that the first series was one of its top three most-watched titles ever.