Guest Stars Peter Breck as Senator Jeremiah Orville Jeff Corey as Mr. Byron Lomax Jason Wingreen as O.B.I.T. Operator Alan Baxter as Col. Grover Joanne Gilbert as Barbara Scott Harry Townes as Dr. Clifford Scott C. Lindsay Workman as Dr. Anderson Konstantin Shayne as Dr. Philip Fletcher Robert Benevides as Capt. James Harrison Sam Reece as Clyde Wyatt Uncredited William Douglas as The Helosian Steve Carruthers as Hearing Member
