David Strathairn

as Admiral William Stenz

as Noah Vosen

as Nash

as Admiral William Stenz

as Noah Vosen

as Pierce Patchett

as President Roosevelt (voice)

as Joe Lobruto

as William Seward

as Peter Kotsiopulos

as Robert Wegler

as Milton Lynxley (voice)

as Pete

as Dave

as Arthur Spiderwick

as Commander Klaes Ashford

as Ray McDeere

as Tom Milton

as Steven

as Ira Lowenstein

as Patrick Kloster

as Edward R. Murrow

as Whistler

as Black Jack Foley

as Tom Hartman

as Joe St. George

as Arnie

as President Dedmon

as Ty Burley

as Nathan Zuckerman

as Theo

as Peter Ward

as Dr. Melvin Frank

as Professor Carlock

as Marty Lang

as Franklin Ahls

as Craig Harriman

as Theseus

as Richard Weissman

as Wesley

as Lee Rosen

as Tony Pine

as Eddie Cicotte

as God

as Reverend Russell

as Dr. Benjamin Cole

as Ellis

as Semiyon Kleiman

as Ralph McIntosh

as Estes Kefauver

as Russell Terziak

as John Dos Passos

as Dr. Flintstein

as Mack Laflin

as Dr. Singe

as Police Chief Sid Hatfield

as Marty Rothstein

as King Alonso

as Sanford 'Sandy' Harrison

as Bill

as Charles Lewin

as Man In Black

as Harrison Lloyd

as Self

as Joe Gastineau

as Howard Goodwin

as Self

as Phillip Borchek

as Rennie

as Bernard B. O'Hare

as Ron

as Fred Stern

as Auster

as Anthony Sayre

as Henry Fisher

as Martin Chernak

as Johnny

as Joe Haley

as Asteroid

as Captain Keller

as Henry R. Hocknell Jr.

as Self

as Getso

as Martin

as Nathan

as Special Agent Roy K. Moore

as Sam

as Keith

as William Flynn

as Judge James Horton

as Delmar

as Charlie

as Danny Dunkelman

as Jackson Kinley

as Mannie

as Marvin Zuckerman

as Stuart Chase

as Father Frank Aubert

as Jack Hoschouer

as Bill

as Narrator

as Self

as Bruce Hickman

as Peter Crowley

as Self

as J. Robert Oppenheimer

as J. Robert Oppenheimer

as Dr. Charlie

as Earl Himes

as Weejun

as Carl Linstrum

as Carl Linstrum

as Charles Kaminski

as Reverend Bobby Paradise

as Carl Linstrum

as Russel Gates

as Young Arthur Huntington

as Wes Westlund

as Self - Narrator (voice)

as The Stranger

as Bill Thomas

as Moss Goodman

as Truman Lester

as Marcel

as Jerry

as Dr. Arthur Kobrine

as Finn

as Henry / Harry

as Mr. Jennings

as Self

as Self

as Armand Minetti

as Himself - Narrator

as Mark Zingerline

as Narrator

as John McCowan

as Messenger 1

as Richard Englebright

as Judge Anthony Sayre

as Will Preecher

as Narrator

as Narrator

as Jan Karski

as Warren

as Ralph Waldo Emerson (voice)

as Self

as Self (voice)

as Michael

as Porter Gates

as Jack Hoschouer