Part of Something

Kate Mara

Ashley Poet

Brian Tyree Henry

Tayo Michaels

Sepideh Moafi

Hour Nazari

Brian J. Smith

Daniel Lennix

Jon Jon Briones

Gabriel

Brooke Smith

Drew

Rosalind Eleazar

Dr. Vivienne McMann

Jake McDorman

Murphy

Raúl Castillo

Amos Garcia

Rasool J'Han

Senator Spenser

Nicholas Logan

Simons

Mike Pniewski

Chief Albury

Dave MacDonald

Older FBI Agent

Patrick Fleming

Younger FBI Agent

Jennifer Van Horn

Chair Senator

Grace Junot

Senior FBI Agent

Elizabeth Becka

Psychiatric Evaluator

Ty Cardaci

Poet's Partner

Chase Anderson

Nathan

Isaiah Stratton

Evans

Jon Levine

Administrator

Greg Weeks

Apartment Owner

AJ Bernard

Young Boy

Darin Toonder

FBI Boss

Luke Davis

Alfie

Brian Lafontaine

Senior FBI Officer #1

Matthew Rimmer

Senior FBI Officer #2

Lancer Dean Shull

Senior FBI Officer #3

Tim Perez-Ross

Future FBI Agent #1

Michael Lee Kimel

Future FBI Agent #2

Phil Armijo

Riviera

Cory Scott Allen

Doug

Camry Rose Brault

Rose Cole

Camry Brault

Rose Cole

Sarafina King

Amanda Bennett

Bryan McClure

Jesse Parker

Briar Boggs

Henry Lee

Ethan Hernandez

Fernando Flores

Lee Osorio

Martin Rivera

Alexander Grace

Victor Scott

Nick Hagelin

Clarence Brown

Nick DeKay

J. Moore

Jefferson Cox

D. Allen

Keiko Bell

FBI Agent Supervisor (uncredited)

Tatyana White

Memorial Visitor (uncredited)