Martin Kosleck (Agent), Derrick Lewis (O'Brien), Robert Doyle (Pryor), Paul Kremin (Scientist), Chuck Courtney (Connors), George Spicer, Pat Colby, and Robert Beech (Crew)
Crane: Pure, unrevitalized air -- just like Mother used to breathe.
Crane: You may be willing to die rather than admitting you made a mistake. But, I'm not gonna die with you and neither are the men on this ship!
Fans of 60's action television will recognize Walter Brooke (Dan Case) from his role as the District Attorney in The Green Hornet.
Lloyd Bochner (Dr. Davis) also appears in "The Deadliest Game".