Walter O'Brien

Elyes Gabel

Agent Cabe Gallo

Robert Patrick

Paige Dineen

Katharine McPhee

Toby Curtis

Eddie Kaye Thomas

Happy Quinn

Jadyn Wong

Sylvester Dodd

Ari Stidham

Ralph Dineen

Riley B. Smith

Tim Armstrong

Scott Porter

Mark Collins

Joshua Leonard

Scotty

Rockmond Dunbar

Ray Spiewack

Kevin Weisman

Patrick Quinn

Jamie McShane

Ernie

Steven W. Bailey

Veronica Dineen

Lea Thompson

Jen

Elizabeth Hower

Dr. Cecil Rizzuto

Penn Jillette

President Korsovich

Christopher Heyerdahl

Richard Elia

Andy Buckley

Peralta

Gonzalo Menendez

Michelle

Lindsay Pulsipher

Guest Star

J. Anthony Pena

Sal

Benjamin Burdick

Joan

Tiffany Dupont

Lucinda

Patricia De Leon

Sam Roberts

Matthew Alan

Sean O'Brien / Farmer / Walter's Father

Glenn Keogh

Agent Markman

Brian Guest

Bryce MacMillan

Jay Ali

Thiago

Patrick Davis

Joyce Linehan

Siobhan Fallon Hogan

Sandhog Chief

Michael Beach

Admiral Pace

Michael McGrady

Consul

Jake Renner

Patty Logan

Nikki Castillo

General Savic

Carlo Rota

Kapper

Patrick Fischler

Captain Gentry

Kelvin Han Yee

Agent Bush

Todd Williams

Pablo

Víctor Manso

Ada

Mary Mouser

Dr. Silva

Rebeka Montoya

Sandhog Frank

Derek Phillips

Louise O'Brien

Pamela Shafer

Guest Star

Lisa Catara

Natalya Abelev

Mariah Bonner

Florence

Tina Majorino

Luiz

Danny Vasquez

Chief

Tony Forsmark

Dr. Sanjay Patel

Amir Korangy

Maddox

Kevin Gage

Guest Star

Max Gail

Daniel

Marcus Eckert

Jody MacMillan

Teisa Sekona

Pilot

Kenneth James Morgan

Guest Star

Roel Navarro

Anika

Anna Arden

Ms. Weldy

Serena Scott Thomas

Agent Hart

Graham Shiels

Eerik

Johann Urb

Foreman

Dean Cudworth

Captain

Christopher Showerman

Guest Star

Nadine Nicole Heimann

Justice of the Peace

Ken Colquitt

Abra-Cadabricus

Guilford Adams

Jill

Lisa Brenner

Gary

Phil Miler

Uncle Tobin

John Aylward

Martin

Lucas Davis

Allie Jones

Reiko Aylesworth

Davis

Leo Oliva

David

Brian McNamara

Hipster

Adwin Brown

Thomas

Russell Simpson

Sandhog Joe

Ted Maritz

Guest Star

Ata-Han Erentok

Manager

Ruby Mercado

Agent Al Govelli

Loren Lester

Airman Woodrow

Spencer Grammer

Dyfrost

Dan Dratch

Ronen Cole

Michael Graziadei

Guest Star

Bob Golub

Curator Stafford

Annie Little

Guest Star

Nahesi Crawford

Williams

Jim Palmer

Bernhard

Martin William Harris

Fire Chief

Efrain Figueroa

Chester Perozzi

Jared Wernick

Reporter

Rasha Goel

Guest Star

Samantha Sonnett

Guest Star

Meiyee Apple Tam

Guest Star

Natalia Gorelova

Bucky

Braxton Herda

Scientist 1

Pamela Mitchell

Guest Star

Ping Wu

Guest Star

Angelo Perez

Connor

Jay Paulson

Megan O'Brien

Camille Guaty

Cousin Buzzy

Cullen G. Chambers

Lars Owens

Matt Jayson

Guest Star

David Douglas

Airman Morales

Juan Antonio

Agent Eiderdex

Curtis Nelson II

Stingo

Paul Duke

Mike

Darnell Kirkwood

Joanne

Erin Barnes

Priest

Eamon Hunt

Hampton

Lisa Kaminir

Soldier 1

Justin Gilbert

Guest Star

Daniel Kaemon

Guest Star

Karolin Luna

Teacher

Cyrus Deboo

Guest Star

Vladimir Orlov

Dealer

Edgar Pevsner

Soldier 2

Tomek Kosalka

Guest Star

LaSaundra Gibson

Museum Security Chief

James Wong

Director Merrick / Merrick

David Fabrizio

Guest Star

Sarah Ripard

Sandy

Lovlee Carroll

Guest Star

Riley Go

Guest Star

Dan Louis

Guest Star

Paul K. Daniel

Guest Star

Dominique Sharpe

Guest Star

Henri Lubatti

Guest Star

Tarah Paige

Guest Star

Hugh Aodh O'Brien

Calvin

Eric Frentzel

Terry Hines

Jim O'Brien

Guest Star

Clint Jung

Sophia Vasquez

Catherine Dyer

Drew Dineen

Brendan Hines

Carlos Diaz

Markell Andrew

Security Head

Michael Graham

Glenn

John Hartman

Guest Star

Janet Roth

Dyfrost

Daniel Dratch

Guest Star

June Mock

Guest Star

Asante Jones

Kaldor / Glenn / Kaldor (Glenn)

John Hartmann

Guest Star

Troy Caylak

Guest Star

Hymnson Chan

Guest Star

Gerald Downey

Guest Star

Erica Shaffer

Guest Star

Wayne Alon Scott

Guest Star

Nikita Bogolyubov

Earth Momma

Deborah Strang

Katherine Cooper

Peri Gilpin

Guest Star

Julien Ari

Riley Smith

Pete Giovine

Daniel Zolghadri

Mark Rolston

Emily Robinson

Waitress

Tina Grimm

Gambler

Anthony Muniz