Josh Brolin

as Eddie Mannix

Born 02/12/1968, age

George Clooney

as Baird Whitlock

Born 05/06/1961, age

Alden Ehrenreich

as Hobie Doyle

Born 11/22/1989, age

Ralph Fiennes

as Laurence Laurentz

Born 12/22/1962, age

Scarlett Johansson

as DeeAnna Moran

Born 11/22/1984, age

Tilda Swinton

as Thora Thacker / Thessaly Thacker

Born 11/05/1960, age

Channing Tatum

as Burt Gurney

Born 04/26/1980, age

Frances McDormand

as C. C. Calhoun

Born 06/23/1957, age

Jonah Hill

as Joe Silverman

Born 12/20/1983, age

Alison Pill

as Mrs. Mannix

Born 11/27/1985, age

Max Baker

as Head Communist Writer

Born 07/05/1960, age

Fisher Stevens

as Communist Writer

Born 11/27/1963, age

David Krumholtz

as Communist Writer

Born 05/15/1978, age

Fred Melamed

as Communist Writer

Born 05/13/1956, age

Robert Picardo

as Rabbi

Born 10/27/1953, age

Christophe Lambert

as Arne Seslum

Born 03/29/1957, age

Robert Trebor

as Producer of "Hail, Caesar!"

Born 06/07/1953, age

Basil Hoffman

as Stu Schwartz (Accounting)

Born 01/18/1938

Died 09/17/2021, age

Clancy Brown

as Gracchus

Born 01/05/1959, age

Wayne Knight

as Lurking Extra

Born 08/07/1955, age

Peter Jason

as Director

Born 07/22/1944, age

Jack Huston

as Cad in Cab

Born 12/07/1982, age

Agyness Deyn

as Woman in Cab

Born 02/16/1983, age

Michael Gambon

as Narrator (voice)

Born 10/19/1940

Died 09/27/2023, age

Dolph Lundgren

as Submarine Commander (uncredited)

Born 11/03/1957, age