Manhattan

John Benjamin Hickey

Frank Winter

Olivia Williams

Liza Winter

Ashley Zukerman

Charlie Isaacs

Rachel Brosnahan

Abby Isaacs

Harry Lloyd

Paul Crosley

Katja Herbers

Helen Prins

Michael Chernus

Louis "Fritz" Fedowitz

Christopher Denham

Jim Meeks

Daniel Stern

Glen Babbit

Alexia Fast

Callie Winter

William Petersen

Col. Emmett Darrow

Stafford Douglas

Thatcher

David Harbour

Reed Akley

Jefferson White

Cole / Cole 'Iowa' Dunlavey

Lauren Chavez-Myers

Jeannie

Carole Weyers

Elodie / Elodie Lancefield

Mark Moses

Col. Alden Cox

Travis Hammer

O'Byrne

Richard Schiff

Occam

Daniel London

J. Robert Oppenheimer

Corey Allen

Theodore Sinclair

Mamie Gummer

Nora

Jason Ralph

Stan

Josh Cooke

Lancefield / Tom Lancefield

Tailinh Agoyo

Paloma

Christina Kirk

Rose Akley

Bill Camp

William Hogarth

Audrey Moore

Francine

Peter Stormare

Lazar

Eddie Shin

Sid Liao

Catherine Haun

Dot

Griffin Dunne

Woodrow Lorentzen

Kenneth Miller

Purcell / Purcell / MP1

Nathaniel Augustson

Bruce / Soldier

Rebekah Wiggins

Gladys

Tad Jones

Brass / Major Pellegrin / Major Pelligrin

Matthew Page

Edgar / Weaver

Paul Blott

Church

Adam Godley

Dr. Adelman

Ryan Jason Cook

Stanhope

Jonny Coyne

Dr. Alek Barath

Joanne Camp

Oppenheimer's Secretary

Danny Winn

Scientist Brock

Jason Weiler

Finney / Scientist #2 / Finney

Shylo Molina

Featured Child

Colin Jones

MP2 / Wayne

Kent Kirkpatrick

Army Doctor / Doctor

Nate Warren

Vidders

Beth Bailey

Fay

John Carroll Lynch

Daniel Ellis

J.B. Tuttle

Ledbetter

Bruce McIntosh

Samaritan

Marc Comstock

Magpie

Fiona Dourif

Jean Tatlock / Jean Tatlock (voice)

Neve Campbell

Kitty Oppenheimer

Jessica Osbourne

Constance / Constance Faraday

Justin Kirk

Joseph Bucher

Sonia Maslovskaya

Malka

Vic Browder

Deputy

Mona Malec

Secretary

Fran Martone

Akley's Secretary

Kristen DeVore Rakes

Wilma

Mark Sivertsen

Staff Sergeant

Debrianna Mansini

Dorothy

Ben Ziegler

Hankins

Vivian Nesbitt

Colonel Cox's Assistant

Sarah Minnich

Vera

John Trejo

Zeller

Christian Clemenson

Niels Bohr

Philip Ettinger

Watts

David Midthunder

Aniceto

Kevin Wiggins

Field Sergeant

Dave Racki

Soldier #1

Bryan Head

Soldier #2

Trine Christensen

Nurse

Kyle T. Cowan

Young Frank

Glenn Morshower

Censorship Captain

Tommy Truex

Young Officer

Genia Michaela

Ruth

Katie Anne Mitchell

Ticketing Agent

Joshua Rollins

Tuck

Frank Bond

Tupper

John Gabriel Rodriquez

Travis

Jessica Hecht

Miriam Rubins

Robin Thomas

Maxwell Rubins

Kristin Hansen

Akley's Secretary

Lucia Micarelli

Annie Liao

Jade Scott Lewis

Swee

Raoul Max Trujillo

Javier

Lora Martinez-Cunningham

Ida

Jennifer Allcott

Evelyn

James Lawrence Sicard

Ivan

Gerald McRaney

Sec. Hentry Stimson

Michael O'Neill

Psychiatrist

Tony Devon

Omar

Brad Garrett

Eli Isaacs