加里·西尼斯

Gary Sinise

饰：Narrator

尼尔·阿姆斯特朗

Neil Armstrong

饰：Himself

Gus Grissom

饰：Himself

Bruce McCandless II

饰：Himself

Roger B. Chaffee

饰：Himself

吉因·克兰兹

Gene Kranz

饰：Self - Flight Director

吉姆·洛威尔

Jim Lovell

饰：Self

巴兹·奥尔德林

Buzz Aldrin

饰：Self

Jay Barbree

Jay Barbree

饰：Self - Space Correspondant

格林·伦尼

Glynn Lunney

饰：Self - Flight Controller

Ed Weiler

Ed Weiler

饰：Self - Chief Scientist, Hubble

Susan Borman

饰：Self

Barbara Morgan

饰：Self - Shuttle Astronaut

Robert L. Crippen

饰：Self - Shuttle Pilot

弗莱德·海斯

Fred Haise

饰：Self - Apollo 13

约翰·格里恩

John Glenn

饰：Self - Mercury Astronaut

Jerry Linenger

饰：Self - Shuttle Astronaut

Joseph P. Kerwin

饰：Self - Skylab 2

Scott E. Parazynski

饰：Self - Shuttle Astronaut

Scott Altman

饰：Self - Shuttle Pilot

Al Worden

Al Worden

饰：Self - Apollo 15

Michael E. López-Alegría

饰：Self - ISS Commander

Evelyn Husband

饰：Self - Wife

迈克尔·柯林斯

Michael Collins

饰：Self

艾琳·科林斯

Eileen Collins

饰：Self - Shuttle Astronaut

Eugene Cernan

Eugene Cernan

饰：Self

Christopher Kraft

饰：Self

Frank Borman

饰：Self

查尔斯·杜克

Charles Duke

饰：Self

John Young

饰：Self - Apollo 16

Story Musgrave

饰：Self - Shuttle Astronaut

Bill Anders

饰：Self

Valerie Anders

饰：Self

Alan Bean

饰：Self - Apollo 12

Kathryn Thornton

饰：Self - Shuttle Astronaut

Scott Carpenter

饰：Self - Mercury Astronaut

乔治·布什

George Bush

饰：Self - 41st President

Lowell Grissom

饰：Self - Gus Grissom's Brother

Owen Garriott

Owen Garriott

饰：Self - Skylab 3

Kathy Sullivan

饰：Self - Shuttle Astronaut