Adm. Michael Matthews
Brett
Lia Holmes
Cmdr. Woody Patterson
Aguila
Elena
Barton
Prof. Holmes
The President
Dr. Ziegler
Dr. Talty
Capt. Hunter
Quinn
Bill Holmes
Capt. Lunderson
Young Officer
Dr. Burkson
Blonde Woman
Gen. Putnam
Tony
Sally
Security Guard
Triton Controller
Scientist (uncredited)
Technician (uncredited)
Scientist (uncredited)
Scientist (uncredited)