Guest Stars Lisa Picotte as Jill Scully Albert Hall as Colonel Delaney Walter Gotell as Kemmerling Andrew Prine as Agent Stears Michael Holden as Neil Joseph Kell as Frank Matt Feemster as Billy Mary Krohnert as Amy Collins George Lazenby as Dr. Clark Bob Goen as TV Announcer J. Teddy Davis as Carol Robert Benedetti as Ben Collins Judith Flanagan as Mrs. Collins Jason R. Sutherland as Mutant Child
