Frederick Stafford as André Devereaux

Dany Robin as Nicole Devereaux

John Vernon as Rico Parra

Karin Dor as Juanita de Córdoba

Michel Piccoli as Jacques Granville

Philippe Noiret as Henri Jarre

Claude Jade as Michèle Picard

Michel Subor as François Picard

John Forsythe as Michael Nordstrom

Per-Axel Arosenius as Boris Kuzenov

Roscoe Lee Browne as Philippe Dubois

Edmon Ryan as McKittreck

Sonja Kolthoff as Mrs. Kusenov

Tina Hedström as Tamara Kusenov

John van Dreelen as Claude Martin

Donald Randolph as Luis Uribe

Roberto Contreras as Muñoz

Carlos Rivas as Hernández

Roger Til as Jean Chabrier

Lewis Charles as Pablo Mendoza

Sándor Szabó as Emile Redon

Anna Navarro as Carlota Mendoza

Lew Brown as US Official

John Roper as Thomas

George Skaff as Rene d'Arcy

Alfred Hitchcock as Man in Wheelchair (uncredited)

Fidel Castro as Self (archive footage)

Che Guevara as Self (archive footage)

Bent Vejlby as Agent (uncredited)

Ann Doran as Mrs. Forsyth (uncredited)

David Armstrong as Party Guest (uncredited)

Jack Berle as Party Guest (uncredited)

Manuel Cano as François Picard (spanish voice) (uncredited)

Dick Cherney as Waiter (uncredited)

Rita Conde as Dolores (uncredited)

Tony Dante as Minor Role (uncredited)

Richard Derr as U.S. Embassy Official - Copenhagen (uncredited)

Noel Drayton as Servant at Embassy (uncredited)

Abel Fernandez as Cuban Guerrilla Fighter (uncredited)

Elsa Fàbregas as Nicole Devereaux (spanish voice) (uncredited)

Gregory Gaye as Meeting Co-Ordinator (uncredited)

Trent Gough as UN Visitor (uncredited)

Raven Grey Eagle as Minor Role (uncredited)

Rosa Guiñón as Michèle Picard (spanish voice) (uncredited)

Dean Harens as State Department Official (uncredited)

Shep Houghton as Restaurant Patron (uncredited)

Ray Kellogg as Security Guard (uncredited)

Henry Kingi as Man in Hotel Theresa hallway (uncredited)

John Lasell as State Department Official (uncredited)

Caryl Lincoln as Party Guest (uncredited)

Dionisio Macías as Jacques Granville (spanish voice) (uncredited)

Pepe Mediavilla as Rico Parra (spanish voice) (uncredited)

Lawrence Montaigne as Russian Agent (uncredited)

William H. O'Brien as Butler (uncredited)

Joe Pine as Party Guest (uncredited)

Tony Regan as Ambassador (uncredited)

Waclaw Rekwart as mbassador (uncredited)

Leoda Richards as Party Guest (uncredited)

Clark Ross as Party Guest (uncredited)

José Luis Sansalvador as André Devereaux (spanish voice) (uncredited)

María Luisa Solá as Juanita de Cordoba (spanish voice) (uncredited)

John Stephenson as State Department Interrogator (uncredited)

Robert Strong as Party Guest (uncredited)

Hal Taggart as Ambassador (uncredited)

Ben Wright as French Officer (uncredited)