Richard Crenna

Jason Voight

Elizabeth Ashley

Sharon Allan

David Dukes

David Allan

Joanna Miles

Jennifer Dreiser

Lloyd Bochner

Paul Gilliam

Merlin Olsen

Stan Webster

Andrew Duggan

The President

Maggie Wellman

Carol

Nicolas Coster

The Governor

Marj Dusay

Ellen Gilliam

John Larch

Johnson

Kip Niven

Mac

William Bogert

Wayne Lustus

Jenny O'Hara

Ann Webster

Michael Biehn

Tom Rearden

Diana Douglas

Mrs. Rearden

Cindy Eilbacher

Paula Gilliam

Bill Williams

Dale Turner

Al White

Sgt. Lockett

George Petrie

Hank

Elta Blake

Co-Ed

Roy Gaintner

Dr. Jesse

Pat McMahon

News Director

Cecelia Allen

Elizabeth Richie

Dino Bachelor

Danny

Henry Kendrick

Launch Director

Bill Heywood

TV Announcer

David Burke Rhind

Chief Controller

Brad Zinn

Hutton

Bud Conlan

General Kloman