John Slattery

Walter Mondale

Mason Adams

Clinton Anderson

Mark Harmon

Wally Schirra

Tom Amandes

Jack Schmitt

David Clyde Carr

Gerry Griffin

David Andrews

Frank Borman

Lane Smith

Emmett Seaborn

Tim Daly

Jim Lovell

Nick Searcy

Deke Slayton

Brett Cullen

Dave Scott

Cary Elwes

Michael Collins

Daniel Hugh Kelly

Gene Cernan

Sally Field

Trudy Cooper

Tom Hanks

Jean-Luc Despont

Tchéky Karyo

George Melies

Steve Zahn

Elliot See

Peter Scolari

Pete Conrad

Kevin Pollak

Joe Shea

James Rebhorn

Harrison Storms

Rhoda Griffis

Martha Chaffee

Ronny Cox

Lee Atwood

Dan Bright

Mondale's Assistant

Tommy Canary

Simpkinson

Bill Cordell

pyro technician

J. Michael Hunter

Skip Chauvin

J. Don Ferguson

Senator Stephen Young

Ru Flynn

Storms' Secretary

Don Fowler

Harrison Storms Jr.

Tom Kouchalakos

technician

Mitchell Laurance

Bud Mahurin

David Lenthall

Sam Benningfield

Dakin Matthews

Dr. Floyd Thompson

Robby Preddy

Phyllis Storms

Kevin Rainsberger

Dr. Berry

Frank Silva

Levine

Joe Spano

George Mueller

Arthur Taxier

Dr. Robert Van Dolah

Peter Horton

documentary director

Max Wright

Günter Wendt

Krista Adair

Jo Schirra

Ann Magnuson

Dee O'Hara

Keith Graham

Skip Chauvin

Brandon Smith

John Healey

Joshua Malina

Tim Messick

Lowell Fenner

Russ Lawrence

Philip Nolen

bonehead

Matt Craven

Tom Kelly

Alan Ruck

Tom Dolan

Mark Lainer

Doubting Engineer

Dann Florek

Robert Seamans

Grant Shaud

Bob Carbee

Reed Birney

John Houbolt

David Brisbin

Allyn B. Hazard

Norbert Weisser

Wernher Von Braun

Holmes Osborne

George Low

Daniel Hagen

Honeycutt

Diana Scarwid

Joan Aldrin

Sam Anderson

Thomas Paine

Betsy Brantley

Jan Armstrong

Dave Foley

Alan Bean

Paul McCrane

Pete Conrad

Jim Leavy

C.C. Williams

Geoffrey Nauffts

Ed Gibson

Jay Mohr

Brett Hutchins

Clint Howard

Paul Lucas

Dan Butler

Gene Kranz

John M. Jackson

Hal Deacon

David Kaufman

David Gibson

Michael Laskin

Larry Thompson

Ethan Phillips

Stanley Craig

John Rothman

Warren Moburg

Dylan Baker

Bruce McCoy

Adam Baldwin

Fred Haise

Gary Cole

Ed Mitchell

Jerry Hardin

Ben Taylor

Chris Hogan

Don Eyles

Andrew Masset

Dr. House

George Newbern

Stu Roosa

Harve Presnell

Harve

Andrew Rubin

Jules Bergman

John Aylward

Dr. Ray Pemberton

Al Franken

Jerome Weisner

Ann Cusack

Jan Armstrong

Bart Braverman

Older Sahjid

Ben Marley

Roger Chaffee

Blythe Danner

Narrator (voice)

Bryan Cranston

Buzz Aldrin

Chris Isaak

Ed White

Cynthia Stevenson

Jane Conrad

Dan Lauria

James Webb

David Clennon

Dr. Lee Silver

Debra Jo Rupp

Marilyn See

Deirdre O'Connell

Barbara Young

Delane Matthews

Pat McDivitt

Doug McKeon

Joe Allen

Elizabeth Morehead

Tracy Cernan

Elizabeth Perkins

Marilyn Lovell

Fredric Lehne

Walt Cunningham

Gareth Williams

Jim Irwin

George Bartenieff

Hugh Dryden

J. Downing

Charlie Duke

Jack Gilpin

Ted Sorenson

Jim Piddock

John Hodge

Jo Anderson

Pat White

JoBeth Williams

Marge Slayton

John Carroll Lynch

Bob Gilruth

John Mese

Donn Eisele

John Michael Higgins

Master of Ceremonies

John Posey

John Young

Kieran Mulroney

Rusty Schweickart

Mark Rolston

Gus Grissom

Michael Raynor

Al Worden

R. Keith Harris

Charlie

Rita Wilson

Susan Borman

Robert C. Treveiler

L. Gordon Cooper

Robert John Burke

Bill Anders

Stephen Root

Chris Kraft

Ted Levine

Alan Shepard

Tim Parati

Blaisdell

Tom Nowicki

David Bell

Tom Verica

Dick Gordon

Tony Goldwyn

Neil Armstrong

Wendy Crewson

Faye Stafford

Željko Ivanek

Ken Mattingly