Diretor/a
Lester Wm. Berke
DIRETOR/A
William Berke
Elenco (na ordem dos créditos)
Robert Loggia
Dr. David Loring
Ellen Parker
Joan Wood
Phillip Pine
Dr. Joe Freed
Larry Kerr
General Barr
Marilee Earle
Ella Freed
Fred Engelberg
TV Singer
Kitty Kelly
Mama - Ella's Mother
Selmer Jackson
Secretary of State
Hari Rhodes
Black Man at Piano
Shirley J. Shawn
Black Woman by Piano
J. Anthony Hughes
Governor of New York
Robert Busch
ATOR
Jack Holland
Harold
John McNamara
Civil Aeronautics Board Officer
Mike Steele
CONAD 3-Star General
Cecil Elliott
Harold's Wife
Viola Harris
Don Pethley
Myron Cook
Mark Dunhill
Joe Hyams
Young - Reporter
Bill Bradley
Lawrence Dobkin
Narratorvoice
Chet Brandenburg
Workeruncredited
John Daheim
Man with Dog Sled Teamuncredited
John Damler
Guard at Instituteuncredited
Stanley Fafara
Boy on Evacuation School Busuncredited
Kam Fong
Chinese Officeruncredited
Kenneth Gibson
Reporteruncredited
Gina Gillespie
Little Girl in Underground Bunkeruncredited
Shep Houghton
Thomas E. Jackson
New York State Broadcasteruncredited
Jason Johnson
Soviet Officeruncredited
Kenner G. Kemp
Harold Miller
Joint Chiefs of Staff Officeruncredited
Hans Moebus
Tom Monroe
Bus Driveruncredited
Frances Morris
Joe's Wifeuncredited
William H. O'Brien
Scientist at Instituteuncredited
Monty O'Grady
Aideuncredited
Murray Pollack
Anthony Redondo
Cosmo Sardo
Pentagon Broadcasteruncredited
Robert Shayne
Air Force Generaluncredited
Stephanie Shayne
Sandrauncredited
Olan Soule
TV Floor Directoruncredited
Ted Stanhope
Aide to Secretary of Stateuncredited
Bert Stevens
Arthur Tovey