亨利·托马斯

Henry Thomas

饰：艾略奥特 Elliott

德鲁·巴里摩尔

Drew Blyth Barrymore

饰：格蒂 Gertie

罗伯特·麦克纳夫顿

Robert MacNaughton

饰：迈克尔 Michael (as Robert Macnaughton)

彼德·考约特

Peter Coyote

饰：Keys

埃丽卡·埃伦尼克

Erika Eleniak

饰：Pretty Young Girl

C·托马斯·豪威尔

C. Thomas Howell

饰：Tyler (as Tom Howell)

K.C.马特尔

Kevin Christopher Martel

饰：格雷格 Greg

Sean Frye

饰：Steve

David M. O'Dell

饰：Schoolboy (as David O'Dell)

Richard Swingler

饰：Science Teacher

Frank Toth

饰：Policeman

Robert Barton

饰：Ultrasound Man

Michael Darrell

饰：Van Man

David Berkson

饰：Medic

Susan Cameron

饰：Medic

David Carlberg

饰：Medic

Will Fowler Jr.

饰：Medic

Barbara Hartnett

饰：Medic

米尔特·科根

Milt Kogan

饰：Medic

Alexander Lampone

饰：Medic

Diane Lampone

饰：Medic

Rhoda Makoff

饰：Medic

Robert Murphy

饰：Medic

Richard Pesavento

饰：Medic

Tom Sherry

饰：Medic

Mary Stein

饰：Medic

泰迪·格鲁斯曼

Ted Grossman

饰：Government Agent (uncredited)

安妮·洛克哈特

Anne Lockhart

饰：Nurse (uncredited)

帕特·威尔士

Pat Welsh

饰：E.T. (uncredited)

迪·沃伦斯-斯通

Dee Wallace-Stone

饰：玛丽 Mary

让·保罗·海伦德尔

Jean-Paul Hellendall

饰：Student (uncredited)

Michael Lepre

饰：Pizza Man (uncredited)

Mitch Suskin

饰：Medical Unit (as Mitchell Suskin)

Kevin Jessup

饰：Scientist (uncredited)

迪·沃伦斯

Dee Wallace

饰：Mary

吉姆·帕森斯

Jim Parsons

童自荣

Zirong Tong