Commander Jack Rankin

Robert Horton

Dr. Lisa Benson

Luciana Paluzzi

Commander Vince Elliott

Richard Jaeckel

General Jonathan B. Thompson

Bud Widom

Dr. Hans Halvorsen

Ted Gunther

Capt. Martin

Robert Dunham

Lt. Curtis

David Yorston

Cordier

Gary Randolf

Ferguson (uncredited)

William Ross

Lt. Morris, Rocket Pilot

Jack Morrisey

Technician

Eugene Vince

Michaels

Richard Hylland

Doctor

Strong Ilimaiti

Technician

Don Plante

Barnett

Arthur Stark

Nurse

Linda Hardisty

Patricia Elliott

Secretary

Lynne Frederickson

Officer

David Sentman

Nurse

Kathy Horan

Nurse

Ann Ault

Patient

Clarence Howard

Soldier

Hans Jorgseeberger

Linda Miller

Soldier

Bob Morris

Rocket Pilot

Jack Morris

Rocket Pilot

Carl Bengs

Rocket Pilot

Tom Scott

Technician

Enver Altenbay

Technician

Gunther Greve

Technician

George Uruf

Nurse

Susan Skersick

Nurse

Helen Kirkpatrick

Nurse

Linda G. Miller

Nurse

Patricia Elliot

Nurse

Linda Malson

Sergeant

Tom Conrad