Mary

Dee Wallace Stone

Elliott

Henry Thomas

E.T.

Tamara de Treaux

Keys

Peter Coyote

Gertie

Drew Barrymore

Michael

Robert MacNaughton

Tyler

Tom Howell

Greg

K.C. Martel

Steve

Sean Frye

Michael Durrell

Pretty Girl

Erika Eleniak

Schoolboy

David O'Dell

Greg

K. C. Martel

Science Teacher

Richard Swingler

Policeman

Frank Toth

Ultra Sound Man

Robert Barton

Schoolboy

David M. O'Dell

Van Man

Michael Darrell

Medical Unit Member

Milt Kogan

Medical Unit Member

David Berkson

Medical Unit Member

David Carlberg

Medical Unit Member

Alexander Lampone

Medical Unit Member

Rhoda Makoff

Medical Unit Member

Robert Murphy

Medical Unit Member

Tom Sherry

Medical Unit Member

Richard Pesavento

Medical Unit Member

Susan Cameron

Medical Unit Member

Will Fowler

Medical Unit Member

Mary Stein

Medical Unit Member

Barbara Hartnett

Medical Unit Member

Di Ann Lampone

Medical Unit Member

Mitchell Suskin

Medical Unit

Will Fowler Jr.

Medical Unit

Diane Lampone

Medical Unit

Mitch Suskin

Doctor/Man in Tube/Wire-tapped Neighbor

Corey Burton

Government Agent

Ted Grossman

Student

Jean-Paul Hellendall

Scientist

Kevin Jessup

Pizza Man

Michael Lepre

Nurse

Anne Lockhart

E.T.

Pat Welsh

Chuck Riley

Paula Lepa

Robert Mac

Seam Frye

E.T. [uncredited]

Debra Winger