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.

The second season teaser shows off an important character as Justin Theroux joins the cast as Robert House. Taking place in New Vegas, the stars of Fallout Ella Purnell, Walton Goggins and Aaron Moten,

The 'Fallout' Season 2 trailer reveals that Justin Theroux is Robert House, plus there's a deathclaw in New Vegas.

The trailer, building up to the entry of this man, then lifts the curtain off this mysterious character, namely, Robert House. Justin Theroux is set to play this role in the second season, with the new teaser trailer showcasing a brief look at his character.

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.

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.

Prime Video drops the first poster for “Fallout” season 2, showing Lucy, the Ghoul, and Maximus heading toward New Vegas, and there's a few hidden game references.