Character Name : Capt. Michael A. Stoddard

Original Name : Michael Paré

Gender : Male

Character Name : Dr. Susan Richardson

Original Name : Michelle Borth

Gender : Female

Character Name : Jerry Ryan

Original Name : Ryan McTavish

Gender : Male

Character Name : Carrie Evans

Original Name : Renee Talbert

Gender : Female

Character Name : Sandra Crescent

Original Name : Jerri Manthey

Gender : Female

Character Name : Ted

Original Name : Ted Monte

Gender : Male

Character Name : Darla

Original Name : Glori-Anne Gilbert

Gender : Female

Character Name : Dirk Preston

Original Name : Rene Rivera

Gender : Male

Character Name : Dr. William Richardson

Original Name : John Henry Richardson

Gender : Male

Character Name : General Bradley

Original Name : Rod McCary

Gender : Male

Character Name : Major Garber

Original Name : Roark Critchlow

Gender : Male

Character Name : Major Frank

Original Name : Paul Logan

Gender : Male

Character Name : Weeks

Original Name : Damian T. Raven

Gender : Male

Character Name : Lerner

Original Name : Chris Neville

Gender : Male

Character Name : Marsden (as Del Wills)

Original Name : Delpaneaux Wills

Gender : Male

Character Name : Dr. Michaels

Original Name : Dan Golden

Gender : Male

Character Name : Monroe

Original Name : Paul Green

Gender : Male

Character Name : Jungle Scientist (uncredited)

Original Name : Jim Wynorski

Gender : Male