Calificación
Reparto

Peter Tompkins
The Investigator

Will Knickerbocker
Lt. Cmdr. Whorley

Fred Buch
Dr. Asper

Jack Nagle
Consul Gottschalk

John Lawrence
Ensign #1

Phil Goble
Ensign Cain

Jim Marsh
Executive Officer Forbes

Dave Kraul
Ensign Hoffman

Lou Colombo
Murderer

Jim Hess
Capt. Robert Lindquist

Robert Garrison
Co-Pilot Hill

Janet Raney
Stewardess Mary Burke

Michael W. Schwartz
Controller

Víctor Villa
Aviation Chief

Jerry Mann
Dan Burak

Ray Crawford
Father Horgan