Linda Hunt
as Commander Chennault
Clint Howard
as Dr Mimmer
Jeff Kaake
as Captain John Boon
Marjorie Monaghan
as Jojo Thorsen
Cary-Hiroyuki Tagawa
as Zylyn
Danny Quinn
as Daniel Kincaid
Gottfried John
as Colonel Erich Weiss
Jack McGee
as Doc Kreuger