Ralph Waldo Emerson (voice)

Bill Carruthers

Warren

Bill

Jan Karski

Tom Milton

Pete

Dave

Messenger 1

Joe Haley

Self

Fred Stern

Admiral William Stenz

Ellis

Marty Rothstein

Franklin Ahls

God

President Roosevelt (voice)

Theo

Nathan Zuckerman

Richard Englebright

Richard Weissman

Nathan

Ty Burley

Admiral William Stenz

William Flynn

Narrator (voice)

Self

William Seward

John Dos Passos

Noah Vosen

Delmar

Peter Ward

King Alonso

Ralph McIntosh

Narrator

Himself - Narrator

Professor Carlock

Roman Lodari

Self

Dr. Flintstein

Steven

Self

Self

J. Robert Oppenheimer

Arthur Spiderwick

Arnie

Self

Mr. Jennings

Noah Vosen

Henry / Harry

Danny Dunkelman

Joe Lobruto

Narrator

President Dedmon

Finn

Judge James Horton

Narrator

Paul Mullin

Edward R. Murrow

Estes Kefauver

Narrator

Henry R. Hocknell Jr.

Pierce Patchett in L.A. Confidential (archive footage)

Dr. Melvin Frank

Reverend Bobby Paradise

Self

Auster

Jack Hoschouer

Mannie

Bruce Hickman

Dr. Charlie

Mark Zingerline

Truman Lester

Captain Keller

Harrison Lloyd

Peter Crowley

Howard Goodwin

Joe Gastineau

Theseus

Wes Westlund

Charles Kaminski

Rev. Russell

Armand Minetti

Jackson Kinley

Earl Himes

Pierce Patchett

Marcel

Martin

Bernard B. O'Hare

Russel Gates

Russell Terziak

Joe St. George

Charles Lewin

Tom Hartman

John McCowan

Getso

Ray McDeere

Johnny

Young Arthur Huntington

Rennie

Whistler

Mack Laflin

Ira Lowenstein

Keith

Carl Linstrum

Asteroid

Dr. Arthur Kobrine

Father Frank Aubert

Craig Harriman

Bill Thomas

The Stranger

J. Robert Oppenheimer

Eddie Cicotte

Sam

Charlie

Martin Chernak

Police Chief Sid Hatfield

Stuart Chase

Tony Pine

Weejun

Man In Black

Dr. Singe

Wesley

Marvin Zuckerman

Jerry

Ron