Ernest Borgnine as Boris Mitrov

Kerwin Mathews as Bob Avery

Colleen Dewhurst as Helen Benson

Alexander Scourby as Colonel Vadja Kubelov

Glenn Corbett as Frank Sanford

Hanna Landy as Bess Harris

Vladimir Sokoloff as Papa of Boris Mitrov

Friedrich Joloff as Gen. Nikolai Chapayev

Holger Hagen as Hans Grünwald

Reginald Pasch as Otto Bergman

Eva Pflug as Tanja Rosnova

Richard Kendrick as Inspector Jenkins

Ed Prentiss as

Bob Iller as

Carl Jaffe as

Michael Mellinger as

Clete Roberts as Narrator (voice)

Seymour Cassel as

James T. Callahan as

Lisa Golm as

Ted Knight as

Eve McVeagh as