Megalopolis

Adam Driver

Cesar Catilina

Giancarlo Esposito

Mayor Cicero

Nathalie Emmanuel

Julia Cicero

Aubrey Plaza

Wow Platinum

Shia LaBeouf

Clodio Pulcher

Jon Voight

Hamilton Crassus III

Laurence Fishburne

Fundi Romaine

Talia Shire

Constance Crassus Catilina

Jason Schwartzman

Jason Zanderz

Kathryn Hunter

Teresa Cicero

Grace VanderWaal

Vesta Sweetwater

Chloe Fineman

Clodia Pulcher

James Remar

Charles Cothope

D. B. Sweeney

Commissioner Stanley Hart

Isabelle Kusman

Claudine Pulcher

Bailey Coppola

Huey Wilkes

Madeleine Gardella

Claudette Pulcher

Balthazar Getty

Aram Kazanjian

Romy Mars

Girl Reporter

Haley Sims

Sunny Hope Catilina

Dustin Hoffman

Nush 'The Fixer' Berman

Sonia Ammar

Zena The Model

Neri Oxman

Dr. Lyra Shir

AJ Caba

Balin the Fractal

Michael Mourra

Boy Assassin

Charlie Talbert

Felix the Butler

Tommy Lee Driver

General

Caroline Bloom

Cesar's Secretary

George Dillard

Bandmaster

Donald Pitts

Ringmaster

Philip Dido

Control Room Engineer

Gayle Hooker

Mrs. Gayle

James Keane

Laughing Man

Sean Hankinson

TV Newscaster

Andrew Ayala

Spanish-Speaking Protester

Ritwik Chatterjee

Mr. Singh

Kendra Stout

Servilia

Max Bojorquez

Non English-Speaking Driver

Renee McNeil

Board Chairwoman

Suzan Norton

Wall Street Lawyer

Vince Pasani

Wall Street Lawyer

Robert Kim

Elvis Impersonator

Laura Hawkins

Sunny Puppet Dancer

Henry Louis Adams Jr.

Townhouse Guard

Paul Pudney

Dance Instructor

Vanessa Nichole

Vesta Lookalike

Nikki Rush

Vesta Lookalike

Tammy Hurtado

Vesta Lookalike

Emma Anne Wedemeyer

Fake Vesta in Bed

Ivy Lightsey

Lady Justice Statue

Art Newkirk

Saw Law Statue

Savannah Powers

Mournful Lady Statue

Emily Berry

Jane Doe

Adolf Hitler

Self (archive footage) (uncredited)

Benito Mussolini

Self (archive footage) (uncredited)

Matt Gulbranson

New Rome Citizen (uncredited)