Max Duval
Dr. Bartholomew (voice)
Leland McKenzie
Mr. Westfall
Russ DeKuyper
Dr. Copper
Nicholas Cogliostro (voice)
Barbwire Salesman
Cromwell
Abe
Coy LaHood
Henry Sears
Dr. Kipness
David Davis
Leonard Driscoll
Dr. Robert Allenby
Motel Receptionist
J. Edgar Hoover
Dr. Lee
Secretary of Defense
Dr. Welbeck
Lehman
Henry L. Stimson
President Harry S. Truman