Adult Theo Decker

Ansel Elgort

Young Theo Decker

Oakes Fegley

Samantha Barbour

Nicole Kidman

Xandra

Sarah Paulson

Larry Decker

Luke Wilson

Hobie

Jeffrey Wright

Boris Pavilkovsky

Aneurin Barnard

Adult Kitsey Barbour

Willa Fitzgerald

Young Boris Pavlikovsky

Finn Wolfhard

Adult Pippa

Ashleigh Cummings

Young Pippa

Aimee Laurence

Welty

Robert Joy

Lucius Reeve

Denis O'Hare

Mr. Barbour

Boyd Gaines

Young Kitsey Barbour

Carly Connors

Adult Platt Barbour

Luke Kleintank

Theo's Mother

Hailey Wist

Andrew 'Andy' Barbour

Ryan Foust

Young Platt Barbour

Jack DiFalco

Adult Toddy Barbour

Austin Weyant

Young Toddy Barbour

Collin Shea Schirrmacher

Young Tom Cable

Nicky Torchia

Female Social Worker

Angela Covello

Mr. Silver

Peter Jacobson

Social Worker

Alton Fitzgerald White

Dave

Joey Slotnick

Student

Dylan Boyd

Adult Tom Cable

Gordon Winarick

Em

Caroline Day

Mrs. Vogel

Pamela Dunlap

Shirley T

Misha Osherovich

Mr. Beeman

James Donahower

Detective #1

Don Castro

Middle School Student

Aidan Kennedy

Detective #2

Robert Turano

Store Owner

Alma Cuervo

Doorman

Kevin D. McGee

Middle School Student

Hannah Kurczeski

Vegas Teacher

Hank Rogerson

Ryan Katherine Stearns

Gyuri

Matteo van der Grijn

Tiana Youtzy

Mr. Pavlikovsky

Kevin Owen McDonald

Boy on Street at Airport

Nick Vorsselman

Karl Jacob

Raphael Corkhill

Paramedic

Rick Bolander

Matteo VanDerGrijn

Bar Patron - Restaurant

Vincent Tumeo

Race

Ben Hollandsworth

Indonesian Man

Gerson Oratmangoen

Mark Kingsford

Bill Barberis

Milan Sekeris

Brandon Chen

Sandy Lopez

Puja Desai Mehta

David Makman

Everett

Harry Smith

Pippa

Haley Cummings