Peter Graves

Douglas Martin

Barbara Bestar

Ellen Martin

James Seay

Col Banks

Frank Gerstle

Dr. Curt Kruger

Shepard Menken

Maj. Clift

Steve Pendleton

FBI Agent Briggs

John Frederick

Denab / The Tala

Jack Daly

Powerhouse Control Room Worker

Burt Wenland

Sgt. Bandaro

Ruth Bennett

Miss Vincent