Lee Aaron Rosen

as Chief Ken Taylor

as U.S. Ambassador Tom McCarthy

as Captain Wilcox

as Pete Dalrymple

as Roger Bowman

as Brad Baker

as Tom Hedwall

as Dr. Ethan Webb

as Alston Harper

as Captain Ross

as Heinlein

as Instructor

as Peter O'Neill

as Narrator

as Jogger

as Ellen's Interviewee

as Clayton Webster

as Frank Perry

as Soldier on the Beach