Josh Brolin

Eddie Mannix

George Clooney

Baird Whitlock

Alden Ehrenreich

Hobie Doyle

Ralph Fiennes

Laurence Laurentz

Scarlett Johansson

DeeAnna Moran

Tilda Swinton

Thora Thacker / Thessaly Thacker

Channing Tatum

Burt Gurney

Frances McDormand

C. C. Calhoun

Jonah Hill

Joe Silverman

Veronica Osorio

Carlotta Valdez

Heather Goldenhersh

Natalie (Secretary)

Alison Pill

Mrs. Mannix

Max Baker

Head Communist Writer

Fisher Stevens

Communist Writer

Patrick Fischler

Communist Writer