Monte Markham
— Prof. Mark Lowell
Barbara Anderson
— Susan Schaeffer
Telly Savalas
— Lt. Phil Keegan
Tim O'Connor
— Bert Hayes
Joseph Sirola
— George Simpson
Lonny Chapman
— Martin Binzech
Jim Antonio
— Sgt. Ted Korel
Richard Erdman
— Ellis
Valentin de Vargas
— Steve Curtis
Elizabeth Moore
— Mrs. Metcalfe
Robert DoQui
— Andrews