Sgt. Montone
Reverend Foote
Phil Carter
Nelson
Control Room Man
Col. Raymond Laribee, CIA
Dr. Harold Lewin
Hired Gun
Dracula
Tozer
Col. Jason Halsey
Harris
Captain Andy Hayes
Ray Hanley
Geoffrey St. James
Bill Clayton
Sam Liebman
Joe Menchell
Jim Johnson
Colonel Manzone
Secret Service Man (uncredited)
Nicholas Kline
Union Soldier (uncredited)
Aide to Dunbar
Gen Douglas MacArthur
Astronaut Higgins
Rear Admiral Cyrus Cole
Patrolman
The Old Man
Lt Summers
Russell Quinton
Sergeant Anders
Ralph Friedman
Mr. Lea
George Eller
Bill Watson
Roger Lomax
Jim Davis
Gunner
Doug Meeks
William Cauldicott
Ron Wells
Captain Styles
Nick Lindsay
Deacon Paul
Officer Geary
American POW
Dietrich
Kirby Clarke
FBI Director Denton Voyles
Mayor Cameron
Control Room Officer (uncredited)
Wheeler / Aaron Feld
2nd OSO Agent
Businessman
Second Controller
Commander Devril
Roger Salisbury
Brudenell
Lt. Cmdr. Tynan
Pipe Smoker
Henry Kellner
Avery Brundage
Elliott Richardson
Bart Burton
Harry (voice)
Finance Officer
Cornelius
Ted McDermott
Hair and Fibers Expert
David Howser
George Cameron
Dick
Colonel Richardson
Major Frank Kramer, US Army Doctor
Frisch
Howard Hunter
Gestapo Officer
Civilian Engineer Bert Springer
Lyles
Tex
Jack Small
Luke Harger
Nugent
Bert
Sanders
Lt. Howard Hunter (uncredited)
Deputy Marsh
1st Reporter (segment "The Nature of the Enemy")
Lew Castle
Valentine
Stan Jonas
State Trooper (segment "Death in the Family")
Jenks
Leonard Taft
Foreman (voice)
Jim Remington
Second Special Agent
Technician
RA Dan Menaphee
Agent Marley
Agent Al Harte
SRA Herbert Withers
SA Ed Spanger
Ned Wagner
Botany
Orderly
Matthew Downey
Oscar Ross
McCracken
Mike Hewitt
Jeff Seales
John Hicklin
Private Berger
Sketchley
Mark Langdon
Captain Rand
1st Reporter
Voice Print Officer Jay
Lawrence Wellman
Capt. William Taft
Party Guest (uncredited)
Policeman in Office (uncredited)
Cliff McConnell
Corrigan
Lt. O'Reilly
Andrews
Leonard
Political Science Professor
Major Bernard
Dr. Webber
Horace Bowers
Fred Sutton
Detective Charles
Police Lieutenant
Wilson
Technician (uncredited)
Hercules
Confederate Captain
Aide
Self
Jack Rimbau
Kevin Maco
Judge Edward Crosby
Doctor