Billy Bob Thornton Lorne Malvo Actor Martin Freeman Lester Nygaard Actor Colin Hanks Gus Grimly Actor Allison Tolman Molly Solverson Actor Adam Goldberg Mr. Numbers Guest Star Russell Harvard Mr. Wrench Guest Star Glenn Howerton Don Chumph Guest Star Oliver Platt Stavros Milos Guest Star Rachel Blanchard Kitty Nygaard Guest Star Joshua Close Chazz Nygaard Guest Star Noah Hawley Executive Producer Warren Littlefield Executive Producer Joel Coen Executive Producer Ethan Coen Executive Producer J. Geyer Kosinski Executive Producer