On screen
Cast
108 credited performers
Bruce Gordon
Commander Matson
Ellis M. Zacharias
Self (as Rear Admiral Ellis M. Zacharias)
Jacques Aubuchon
Shulnik
Virginia Christine
Julie Hollister
Francis Lederer
Brauer
Lester Matthews
Colonel Brookston
Kenneth Tobey
Colonel Pete Kellogg
Denver Pyle
Roger Woodson
John Doucette
Capt. John Benson
Richard Davies
Werner
James Best
Webb
Florence Marly
Marie Savit
Richard Webb
James Foster
Eric Pohlmann
Drigo
Walter Gotell
Character not listed
Richard Jaeckel
Character not listed
Harry Bartell
Character not listed
Werner Klemperer
Character not listed
Brad Dexter
Character not listed
Paul Picerni
Character not listed
Richard Alexander
Character not listed
Gregory Gaye
Character not listed
Ray Danton
Character not listed
John Warburton
Character not listed
Jeff Richards
Character not listed
Liam Sullivan
Character not listed
John Lupton
Character not listed
Warren Stevens
Character not listed
William Henry
Herb Goodwin
Arlene Martel
Maria
Reginald Gardiner
Ernest Farrington
Jim Bannon
Colonel Patterson
Judith Evelyn
Clara Koller
Bill Quinn
Col. Barrett Cole
Alex Gerry
Barnes
Myron Healey
Lister
John Banner
Prosecutor Hoxa
Abraham Sofaer
Fadhil
Glyn Owen
Character not listed
Edwin Richfield
Character not listed
Corey Allen
Character not listed
Osa Massen
Character not listed
Don Haggerty
Character not listed
Robert Ellenstein
Character not listed
Nestor Paiva
Character not listed
Dennis Patrick
Character not listed
Robert Warwick
Character not listed
Barney Phillips
Character not listed
Emil Sitka
Character not listed
Peter Whitney
Edwin Getty
Jack Kruschen
Ruchef
Ruth Terry
Sally Anderson
Angela Greene
Hazel Shaw
Jeanne Baird
Nina
Olan Soule
Hotchkiss
Ferdy Mayne
General Racz
Robert Ayres
Character not listed
Milton Frome
Character not listed
Robert H. Harris
Character not listed
Dean Harens
Character not listed
Wendell Holmes
Character not listed
David Opatoshu
Character not listed
Richard Bull
Character not listed
Berry Kroeger
Character not listed
Joe Maross
Wayne Hollister
John Wengraf
Von Elm
Richard Caldicot
Character not listed
Liliane Montevecchi
Character not listed
Booth Colman
Character not listed
Lawrence Dobkin
Character not listed
Patricia Huston
Character not listed
Dermot Walsh
Character not listed
Virginia Gregg
Character not listed
Nan Leslie
Character not listed
Joseph Marievsky
Alexis Shtaravna
Tom McKee
Collins
Peter Coe
Lieutenant Tarkhanov
Melinda Byron
Janet Kellogg
Douglas Evans
Kincaid
Linda Leighton
Leona
John McNamara
Ingram
Sam Buffington
Horne
Bek Nelson
Kitty
James Todd
Clarke
Stewart Bradley
Sam Lombardi
John Damler
Dan Radford
Ruth Lee
Mrs. Gates
William Bryant
Capt. Peter Shiller
Ralph Clanton
Ed Bailey
Robert Knapp
Fred Lang
Walter Maslow
Salvatori
Dick Rich
Martin
Gil Frye
Selim
Francis De Sales
Commander Rogers
Marya Stevens
Rakya Ahmed
Richard Flato
Serko
Keith Richards
Andrew Fleming
George Keymas
Aman
Ziva Rodann
Jessica Tabor
John Sutton
Shaw
Sheldon Lawrence
Blake Adams
Carl Duering
Rienk
Jeanette Sterke
Sarah Fletcher
Carl Jaffe
Character not listed
Gabriel Curtiz
Russian Scientist
Marc Snow
Captain
Kathleen O'Malley
Sue-Ellen
John Conwell
Halek