Angela Lansbury

Mrs. Iselin

Henry Silva

Chunjin

Bess Flowers

Gomel's Lady Counterpart (uncredited)

Frank Sinatra

Capt./Maj. Bennett Marco

Howard W. Koch

Executive Producer

Colin Kenny

Senator (uncredited)

Janet Leigh

Eugenie Rose Chaney

John Frankenheimer

Director

Whit Bissell

Medical Officer

James Gregory

Sen. John Yerkes Iselin

Reggie Nalder

Gomel (uncredited)

Bert Stevens

Officer

Arthur Tovey

Second Reporter

John McGiver

Sen. Thomas Jordan

Paul Frees

Narrator (voice)

James Edwards

Cpl. Allen Melvin

Leoda Richards

Woman at Press Confrence (uncredited)

Lloyd Corrigan

Holborn Gaines

Barry Kelley

Secretary of Defense

Laurence Harvey

Raymond Shaw

Leslie Parrish

Jocelyn Jordan

Khigh Dhiegh

Dr. Yen Lo

Douglas Henderson

Col. Milt

Albert Paulsen

Zilkov

Madame Spivy

Female Berezovo

James Yagi

Chinese Officer (uncredited)