Adam Driver as Charlie Barber

Scarlett Johansson as Nicole Barber

Laura Dern as Nora Fanshaw

Alan Alda as Bert Spitz

Ray Liotta as Jay Marotta

Julie Hagerty as Sandra

Merritt Wever as Cassie

Azhy Robertson as Henry Barber

Wallace Shawn as Frank

Martha Kelly as The Evaluator

Mark O'Brien as Carter Mitchum

Julia Greer as Street Solicitor #1

Matthew Maher as Theater Actor

Eric Berryman as Theater Actor

Mickey Sumner as Beth - Theater Actor

Jasmine Cephas Jones as Theater Actor

Gideon Glick as Theater Actor

Motell Gyn Foster as Theater Actor

David Turner as Theater Actor

Raymond J. Lee as Theater Actor

Mary Wiseman as Theater Actor

Pete Simpson as Theater Actor

Irene Choi as Theater Actor

Matthew Shear as Terry - Theater Actor

Becca Blackwell as Theater Actor

Brooke Bloom as Mary Ann

Hannah Dunne as Agnes - Set Designer

McKinley Belcher III as Lighting Designer

Roslyn Ruff as Donna - Costume Designer

Santiago Mallan as Intern

Robert Smigel as Mediator

Amanda Rovner as Babysitter

Carlos Jacott as Producer

Sarah Jones as Carol - Producer

Dean Wareham as Cinematographer

Bashir Salahuddin as Director

Vinny Chhibber as Visual Effects Guy

Ayden Mayeri as Makeup Artist

Erin Evans as Wardrobe Assistant

Lucas Neff as Pablo (Grip)

Annie Hamilton as Becca - Nora's Assistant

Tunde Adebimpe as Sam

Jordyn Curet as Molly

Justin Claiborne as Jules

Kyle Bornheimer as Ted

Pilar Holland as Law Receptionist

Emily Cass McDonnell as Nell (Bert's Associate)

Andrew Steven Hernandez as Pink Dot Clerk

Amir Talai as Amir

Juan Alfonso as Arguing Man

Connie Marie Flores as Arguing Woman

Jeremy Barber as Lawyer

Rich Fulcher as Judge

Mary Hollis Inboden as Nora's Associate

Peter Oliver as Street Solicitor #2

Bill Blair as Party Robot Alien (uncredited)