Paul Bradley

Sean Connery

Tatiana Donskaya

Natalie Wood

Harry Sherwood

Karl Malden

The President

Henry Fonda

Dr. Dubov

Brian Keith

Major General Adlon

Martin Landau

Sir Michael Hughes

Trevor Howard

Secretary of Defense

Richard A. Dysart

General Easton

Joseph Campanella

Bill Hunter

Roger Robinson

Rolf Manheim

Bo Brundin

Jan Watkins

Katherine De Hetre

Alan Marshall

James G. Richardson

Sam Mason

Michael Zaslow

Peter Watson

John McKinney

Astronaut Tom Easton

John Findlater

Astronaut Bill Frager

Paul Tulley

Girl Skier

Sybil Danning

Astronaut Michael McKendrick

Allen Williams

Helen Bradley

Bibi Besch

Russian Premier

Gregory Gaye

Yamashiro

Clyde Kusatsu

Coast Guard Officer

Burke Byrnes

Bartender

Joe Medalis

Guard

Charles Bartlett

Guard

Raymond O'Keefe

Army Translator

Henry Olek

United Nations President

Peter Bourne

Canadian Representative

Stanley Mann

British Representative

Ronald Neame

Russian Representative

Philip Sterling

Zambian Representative

Arthur Adams

United States Representative

Fred Carney

Boy Skier

Meschino Paterlini

Siberian Man

Joe Yune

Siberian Woman

Eileen Saki

Siberian Man

Jon Yone

Communications Center Technician (as Chris Baur)

Christine Anne Baur

Communications Center Technician

Paul Camen

Communications Center Technician

Dorothy Catching

Sherwood's Secretary

Carole Hemingway

Communications Center Technician

Read Morgan

Network Newscaster

Clete Roberts

Communications Center Technician

Bill Couch

Communications Center Technician

William Darr

Swiss TV Newscaster

Osman Ragheb

Chinese Fisherman

Yu Wing

Communications Center Technician

Joan Foley

Chinese Fisherman's Wife

Yai Tsui Ling

Communications Center Technician

Paul Laurence

Canteen Worker

Rick Slaven

Communications Center Technician

John Moio

Football Announcer

Stu Nahan

Woman in Subway

Selma Archerd

Communications Center Technician

Conrad E. Palmisano

Boy with Radio

Domingo Ambriz

Communications Center Technician

Christine Baur

Communications Center Technician

Tony Rocco

News Reporter

James Bacon

Communications Center Technician

Jesse Wayne

Opening Sequence Narrator (voice)

Peter Donat

Communications Center Technician

Boyd 'Red' Morgan

Boyd "Red" Morgan

British News Reporter (uncredited)

Simon Cadell