- Acting for Two: Emmit and Ray Stussy are both played by Ewan McGregor.
- All-Star Cast: Ewan McGregor, Carrie Coon, Mary Elizabeth Winstead, Michael Stuhlbarg, Scoot McNairy, David Thewlis, Shea Whigham, Ray Wise, Rob McElhenney, Hamish Linklater, Fred Melamed, Mary McDonnell, DJ Qualls.
- Banned In China: Scenes mentioning Vladimir Putin were excised from airings in Russia.
- California Doubling: The series is set in Minnesota, as the opening title cards make abundantly clear. But the show is filmed in Alberta, despite Minnesota having its own film industry.
- Dyeing for Your Art: Ewan McGregor's paunch as Ray Stussy is normally achieved with padding, but he gained weight for his bath scene in the Season Three premiere.
- Fake American: Ewan McGregor is Scottish.
- Promoted Fanboy: David Thewlis is an admitted fan of the original Fargo film.
- Separated-at-Birth Casting: The character of Vivan Lord is played by Frances Fisher in the 2010 scenes and by her real life daughter Francesca Eastwood in the 1975 scenes.
- Romance on the Set: Ewan McGregor and Mary Elizabeth Winstead began a relationship after working together on the show.
- Those Two Actors:
- What Could Have Been: Jim Gaffigan was cast as Donny, but ultimately dropped out due to a scheduling conflict, as well as his wife getting a brain tumor.
Trivia / Fargo Season Three