约翰·斯拉普内尔

John Shrapnel

饰：Himself - Narrator

Molly Raymond

饰：Caroline McAuliffe

理查德·布莱克本

Richard Blackburn

饰：Larry Mulloy

Craig Gardener

饰：General Kutyna

Eliza Jane Scott

Eliza Jane Scott

饰：Christa McAuliffe

卡尔·马洛特

Carl Marotte

饰：Steve McAuliffe

John Bayliss

John Bayliss

饰：Dr. Richard Feynman

理查德·菲茨帕特里克

Richard Fitzpatrick

饰：Roger Boisjoly

兰登·诺里斯

Landon Norris

饰：Scott McAuliffe

Paul Miller

Paul Miller

饰：Dick Scobee

Damir Andrei

Damir Andrei

饰：Robert Lund

Robert Verlaque

饰：Joe Kilminster

John Nelles

John Nelles

饰：Jerald Mason

Don Allison

Don Allison

饰：Chairman William Rogers

Deborah Grover

Deborah Grover

饰：Gweneth Feynman

Roger Boisjoly

饰：Self - Engineer, Morton Thiokol

Grace Corrigan

饰：Self,(archive footage)

约翰·格里恩

John Glenn

饰：Self,(archive footage)

Jesse Helms

Jesse Helms

饰：Self,(archive footage)

小约翰·肯尼迪

John Kennedy Jr.

饰：Self,(archive footage)

Jud Lovingood

饰：Self

Ronald McNair

饰：Self,(archive footage)

Barbara Morgan

饰：Self,(archive footage)

南希·里根

Nancy Davis

饰：Self,(archive footage)

Judith A. Resnik

饰：Self,(archive footage)

Francis Scobee

饰：Self,(archive footage) (as Francis Scobee)

约翰·阿瑟

John Arthur

饰：Arnie Thompson

Drew Zeran

Drew Zeran

饰：Reporter

乔治·布什

George Bush

饰：Self,(archive footage)

理查德·费曼

Richard Feynman

饰：Self,(archive footage)

Gary Hart

饰：Self,(archive footage)

Gregory Jarvis

饰：Self,(archive footage)

吉因·克兰兹

Gene Kranz

饰：Self,(archive footage)

Christa McAuliffe

饰：Self,(archive footage)

Ellison Onizuka

饰：Self,(archive footage)

罗纳德·威尔逊·里根

Ronald Wilson Reagan

饰：Self,(archive footage)

Michael John J. Smith

饰：Self,(archive footage)